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US Patent: 506,961
Tap Wrench
Patentee:
Frederick C. Williams (exact or similar names) - Yonkers, NY

USPTO Classifications:
408/239R, 81/118, 81/176.1

Tool Categories:
wrenches : tap wrenches and die stocks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John A. Rennie
C, Sedgwiek
William R. Williams
George Raynor
Patent Dates:
Applied: Mar. 21, 1893
Granted: Oct. 17, 1893

Patent Pictures:
Frederick C. Williams patent October 17, 1893
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Description:
The movable jaw structure is two plates with beveled edges that clamp together with a screw,

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