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US Patent: 113,585
Improvement in hoisting apparatus
Patentee:
Thomas Silver (exact or similar names) - New York, NY

USPTO Classifications:
187/270, 74/424.6

Tool Categories:
material handling : hoists, winches, come-alongs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry T. Brown
Frederick Haynes
Patent Dates:
Granted: Apr. 11, 1871

Patent Pictures:
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