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US Patent: 1,475,980
Lubricating Apparatus
Patentee:
Oscar Zerk - Cleveland, Cuyahoga County, OH

USPTO Classifications:
141/311R, 184/105.3, 184/89, 222/259, 222/385

Tool Categories:
industrial tools : tool lubricators : grease guns

Assignees:
Allyne-Zerk Co. - Cleveland, Cuyahoga County, OH

Manufacturer:
Alemite Mfg. Corp. - Cleveland, Cuyahoga County, OH

Witnesses:
none listed

Patent Dates:
Applied: Nov. 21, 1922
Granted: Dec. 04, 1923

Patent Pictures:
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Description:
Original application filed 21 Nov 1922. Divided and this application filed 02 Aug 1923.

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