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US Patent: 2,286,880
Hydraulic Control System
Patentee:
William A. Traut (exact or similar names) - West Allis, WI

USPTO Classifications:
137/596.14, 137/624.27, 137/637, 251/257, 251/31, 60/427, 60/460, 60/471, 91/420, 91/443, 91/446, 91/448, 91/536, 91/6

Tool Categories:

Assignees:
Blackhawk Mfg. Co. - Milwaukee, WI

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jul. 05, 1940
Granted: Jun. 16, 1942

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