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US Patent: 831,982
Valve for blowing-engines
Patentee:
Johann Frederick Max Patitz - Milwaukee, WI

USPTO Classifications:
417/510

Tool Categories:
industrial machines : pneumatic : air compressors

Assignees:
Allis-Chalmers Co. - Milwaukee, WI

Manufacturer:
Allis-Chalmers Co. - Milwaukee, WI

Witnesses:
John Day, Jr.
Irving H. Reynolds

Patent Dates:
Applied: Dec. 16, 1902
Granted: Sep. 25, 1906

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Allis-Chalmers Manufacturing Co.

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