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US Patent: D59,417
Socket Wrench
David F. Graham - Coudersport, PA

USPTO Classifications:

Tool Categories:
wrenches : wrench components : wrench sockets

Graham Roller Bearing Company - Coudersport, PA

Graham Roller Bearing Company - Coudersport, PA

J. B. Collins
D. L. Currier
M. Louise Thurston
Fred Ullrich

Patent Dates:
Applied: Mar. 22, 1920
Granted: Oct. 18, 1921

Patent Pictures:
David F. Graham patent October 18, 1921
USPTO pdf tiff
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The socket has a flared rim around the base with the hex driver opening. The lip forms a catch for the spring clip on the handle. The patent term was 3 1/2 years.

The GRAHAM socket wrench set was advertised in June, 1920 AUTOMOBILE TOPICS. The set is shown with a hexagonal rod handle and spring clip corresponding to patent no. 1,328,428 and sockets matching this design. An edited copy of the ad is appended to the DATAMP entry for 1,328,428.

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