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US Patent: 1,630,799
Compressor
Patentee:
Donald Graham Murray - Grove City, Mercer County, PA

USPTO Classifications:
137/340, 137/512, 137/535

Tool Categories:
industrial machines : pneumatic : air compressors

Assignees:
Bessemer Gas Engine Co. - Grove City, Mercer County, PA

Manufacturer:
Cooper-Bessemer Co. - Grove City, Mercer County, PA

Witnesses:
none listed

Patent Dates:
Applied: Jun. 08, 1925
Granted: May 31, 1927

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Cooper-Bessemer Co.

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