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US Patent: 198,292
Jack Screw
Patentee:
William Guthrie (exact or similar names) - Galva, Henry County, IL

USPTO Classifications:
192/43.1, 81/63

Tool Categories:
material handling : jack screws

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 12, 1877
Granted: Dec. 18, 1877

Patent Pictures:
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