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US Patent: 783,717
Visible Auxiliary Oiler for Lubricators
Patentees:
William E. Bryant (exact or similar names) - Detroit, Wayne County, MI
Robert Davidson (exact or similar names) - Detroit, Wayne County, MI
George M. Wolcott (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
184/96

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine lubrication

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 04, 1904
Granted: Feb. 28, 1905

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Michigan Lubricator Co.

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