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US Patent: 319,159
Ratchet mechanism with cam action
Patentee:
Edgar H. Whitney (exact or similar names) - Winchendon, MA

USPTO Classifications:
192/44, 81/33

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jun. 02, 1885

Patent Pictures:
USPTO (New site tip)
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