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US Patent: 372,764
Lubricator
Patentee:
James W. Powell - Cincinnati, OH

USPTO Classifications:
184/51

Tool Categories:
industrial tools : tool lubricators : oil cups

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 03, 1886
Granted: Nov. 08, 1887

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for William Powell Co.

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