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US Patent: 1,213,522
Air Pump
Patentee:
Charles W. Manzel - Buffalo, NY

USPTO Classifications:
417/311

Tool Categories:
industrial machines : pneumatic : air pumps
industrial machines : pumps : hand pumps

Assignees:
Manzel Brothers Co. - Buffalo, NY

Manufacturer:
Not known to have been produced

Witnesses:
C. F. Geyer
Emma M. Graham
Walter O. Geyer

Patent Dates:
Applied: Aug. 29, 1912
Granted: Jan. 23, 1917

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Manzel Brothers
Description:
Geyer & Popp - patent attorneys

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