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US Patent: 1,932,796
Grease ram
Patentee:
Norris F. McNaught - Chicago, IL

USPTO Classifications:
184/105.1, 222/386, 411/517, 411/530

Tool Categories:

Assignees:
Duro Metal Products Co. - Chicago, IL

Manufacturer:
Duro Metal Products Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: May 18, 1931
Granted: Oct. 31, 1933

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Duro Metal Products Co.

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