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US Patent: 1,995,009
Ratchet Mechanism
Patentees:
Edward M. Pfauser (exact or similar names) - Milwaukee, WI
Sigmund Mandl (exact or similar names) - Milwaukee, WI

USPTO Classifications:
192/43.2, 74/157, 81/63.2

Tool Categories:
wrenches : ratchet wrenches

Assignees:
Blackhawk Mfg. Co. - Milwaukee, WI

Manufacturer:
Blackhawk Mfg. Co. - Milwaukee, WI

Witnesses:
none listed

Patent Dates:
Applied: Dec. 05, 1931
Granted: Mar. 19, 1935

Patent Pictures:
Edward M. Pfauser & Sigmund Mandl patent March 19, 1935
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Description:
Reversible ratchet using paired pawls within the upper portion of the "driven member."

Alloy Artifacts shows Blackhawk ratchets marked "U.S. Pats. 1927844 RE-19287 1995009.

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