Watchmaker profile

Warren A. Marrison

Warren A. Marrison developed quartz-controlled time and frequency standards at Bell Laboratories; named inventor on frequency-control patent US1788533A. 12

Patent authorship is scoped to US1788533A, not proof of sole invention of quartz clocks. Not a wristwatch manufacturer; collaborators require their own attribution.

At a glance

Dates
1896–1980 111896–1980 explicitly stated by the National Inventors Hall of Fame.
Also known as
Warren Marrison

The watchmaking story

Useful places to start with Warren A. Marrison's work include 1927 quartz clock and US1788533A frequency-control system. 12

Sources associate Warren A. Marrison with Western Electric and Bell Telephone Laboratories, although the precise role remains unresolved. 123

Recognition: National Inventors Hall of Fame, inducted 2011 1

Scope: Horological science 1

Why this person is included

Documented attributable individual contribution

Background and working context

Affiliations and workshops: Western Electric; Bell Telephone Laboratories 12

Geographic ties: United States. Documented workplace / project location; not a citizenship assertion

Brands, workshops, and other relationships

  1. Non-watch company · Inherited source-linked record; relationship classification reviewed, sources not reopened

    Western Electric — Association — role unresolved. Electrical engineer / quartz chronometry developer 123

    Legacy affiliation: Western Electric; Bell Telephone Laboratories. Person-level contribution: Developed quartz-controlled time and frequency standards at Bell Laboratories; named inventor on frequency-control patent US1788533A.

    Original affiliation wording: Western Electric; Bell Telephone Laboratories. No present-day employment or ownership inferred.

  2. Institution / education / public service · Inherited source-linked record; relationship classification reviewed, sources not reopened

    Bell Telephone Laboratories — Association — role unresolved. Electrical engineer / quartz chronometry developer 123

    Legacy affiliation: Western Electric; Bell Telephone Laboratories. Person-level contribution: Developed quartz-controlled time and frequency standards at Bell Laboratories; named inventor on frequency-control patent US1788533A.

    Original affiliation wording: Western Electric; Bell Telephone Laboratories. No present-day employment or ownership inferred.

Evidence and limitations

This dossier connects 13 field-specific evidence records with 3 public sources. Known links only; full career not established; unresolved relationship(s) remain

Claim qualifications (13)
  • Full name: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority. 1
  • Birth year: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority. 1
  • Death year: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority. 1
  • Recognition: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority. 1
  • Affiliations / workshops: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority. 1
  • Primary geography: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority. 1
  • Noteworthy contribution: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority. 1
  • Representative work: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority. 1
  • Scope: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority. 1
  • Full name: Marrison is the named inventor of this particular patent. This does not settle all quartz-clock collaborators, priorities or patent families. 2
  • Representative work: Marrison is the named inventor of this particular patent. This does not settle all quartz-clock collaborators, priorities or patent families. 2
  • Noteworthy contribution: Marrison is the named inventor of this particular patent. This does not settle all quartz-clock collaborators, priorities or patent families. 2
  • Affiliations / workshops: Marrison is the named inventor of this particular patent. This does not settle all quartz-clock collaborators, priorities or patent families. 2

Sources

  1. Warren MarrisonNot stated · National Inventors Hall of Fame · Institutional inventor profile · Not stated

    [S0321] National Inventors Hall of Fame. "Warren Marrison." Not stated. https://www.invent.org/inductees/warren-marrison Accessed 2026-09-13. Locator: 1896–1980 life dates; Bell Laboratories; 1927 quartz clock; 2011 induction.

    Source context

    Relationship to subject: Award / induction institution

    How it was checked: Opened — relevant text inspected. 1896–1980 life dates; Bell Laboratories; 1927 quartz clock; 2011 induction

    Limitation: Profile supplies dates and quartz-clock recognition. Its first-invention wording is not adopted as proof of sole global priority.

  2. US1788533A — Frequency-control systemWarren A. Marrison · United States Patent Office, reproduced by Google Patents · Patent · Filed 1927-03-28; published 1931-01-13

    [S0322] Warren A. Marrison. United States Patent Office, reproduced by Google Patents. "US1788533A — Frequency-control system." Filed 1927-03-28; published 1931-01-13. https://patents.google.com/patent/US1788533A/en Accessed 2026-09-13. Locator: Bibliographic header; inventor, assignee, filing/publication dates and specification.

    Source context

    Relationship to subject: Original patent attribution and specification

    How it was checked: Opened — relevant text inspected. Bibliographic header; inventor, assignee, filing/publication dates and specification

    Limitation: Marrison is the named inventor of this particular patent. This does not settle all quartz-clock collaborators, priorities or patent families.

  3. https://www.invent.org/inductees/warren-marrison https://patents.google.com/patent/US1788533A/enlinked source

Corrections and stronger evidence

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