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US Patent: 464,659
Tap Wrench
Patentee:
Adolph E. Brion (exact or similar names) - Brooklyn, NY

USPTO Classifications:
408/239R

Tool Categories:
wrenches : tap wrenches and die stocks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. M. Pierce
Gertrude Ward
Edward O. Rowland
Patent Dates:
Applied: Feb. 07, 1891
Granted: Dec. 08, 1891

Patent Pictures:
Adolph E. Brion patent December 8, 1891
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Description:
Square openings of different sizes corresponding to the sizes of tap shanks radiate in a central hub.

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