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US Patent: 162,044
Improvement in hydraulic jacks
Patentee:
Eneas M. Dudgeon (exact or similar names) - San Francisco, CA

USPTO Classifications:
417/443, 417/552, 60/481

Tool Categories:
material handling : jacks : hydraulic jacks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. Tobelmann
William Rollins
Patent Dates:
Applied: Dec. 30, 1874
Granted: Apr. 13, 1875

Reissue Information:
Reissued as RE6,786 (Dec. 07, 1875)

Patent Pictures:
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