The Google Patents bibliographic record for United States patent 1,475,024, Garrett A. Morgan's 1923 traffic signal, consulted for its publication date.
Facts
PublisherGoogle Patents / United States Patent Office
URLhttps://patents.google.com/patent/US1475024A/en
Source TypeReference Work
Reliability Tier1
Sources
Garrett Morgan Traffic Signal Patent US1475024 (Google Patents)
Google Patents / United States Patent Office- Bibliographic record
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View the Source Claims Backed By This Source (7 claims)
This source backs 7 claims across the atlas. As facts: 6 well-attested. Plus 1 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Sources, 5 claims: 5 well-attested.
- Inventions, 2 claims: 1 well-attested, 1 general references.
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