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US Patent: 861,714
Hydraulic jack
Patentee:
Henry C. Dudgeon (exact or similar names) - New York, NY

USPTO Classifications:
137/517, 251/243, 251/245, 60/481

Tool Categories:
material handling : jacks : hydraulic jacks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Phebe E. Wright
Silas D. Wright
Patent Dates:
Applied: Apr. 28, 1907
Granted: Jul. 30, 1907

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Jeff Joslin
Description:
Improvement to the inventor's patent 848,641.

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