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US Patent: 297,975
Hydraulic jack
Patentee:
Richard H. Dudgeon (exact or similar names) - New York, NY

USPTO Classifications:
60/481

Tool Categories:
material handling : jacks : hydraulic jacks

Assignees:
Richard Dudgeon - New York, NY

Manufacturer:
Richard Dudgeon - New York, NY

Witnesses:
J. E. Warner
Willis McDonald

Patent Dates:
Applied: May 10, 1883
Granted: May 06, 1884

Patent Pictures:
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Vintage Machinery entry for Richard Dudgeon

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