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US Patent: 2,007,140
Pump Mechanism
Patentee:
Eric R. Gradhe (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
184/3.2, 184/30, 185/30

Tool Categories:
industrial tools : tool lubricators : oil pumps

Assignees:
Detroit Lubricator Co. - Detroit, Wayne County, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 06, 1931
Granted: Jul. 02, 1935

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Detroit Lubricator Co.

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