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US Patent: 595,312
Tap Wrench
Patentee:
Henry B. Keiper (exact or similar names) - Lancaster, PA

USPTO Classifications:
408/240

Tool Categories:
wrenches : tap wrenches and die stocks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John D. Herr
Francis L. Herr
Edwin Bookmyer
John B. Hlough
Patent Dates:
Applied: Mar. 18, 1895
Granted: Dec. 14, 1897

Patent Pictures:
Henry B. Keiper patent December 14, 1897
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Description:
The holes on the circumference of the collar are sized to fit the various sizes of taps in a set.

Daniel H. Herr - patent attorney

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