The Google Patents record for United States Patent 550,324, Steam or Pneumatic Engine, Charles Brady King's patent for the tool that became known as the jackhammer, granted November 26, 1895, cited on the Jackhammer invention entity.
Facts
AuthorCharles B. King
PublisherGoogle Patents / United States Patent Office
URLhttps://patents.google.com/patent/US550324A/en
Source TypeReference Work
Reliability Tier1
Sources
Steam or Pneumatic Engine Patent US550324 (Google Patents)
Charles B. King, Google Patents / United States Patent Officepatent header, No. 550,324Quote, patent header, No. 550,324
Patented NOV. 26, 1895.
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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