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US Patent: 154,455
Improvement in self-oiling journal-boxes and hangers
Patentees:
William H. Hoffman - Passaic, NJ
John C. Chapman - Passaic, NJ

USPTO Classifications:
384/403

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine bearings

Assignees:
New York Steam-Engine Co. - New York, NY

Manufacturer:
New York Steam-Engine Co. - New York, NY

Witnesses:
John Duffus
S. A. Clarke

Patent Dates:
Applied: Jul. 06, 1874
Granted: Aug. 25, 1874

Patent Pictures:
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"Vintage Machinery" entry for New York Steam Engine Co.

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