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US Patent: 207,117
Ratchet-Wrench
Patentee:
Thomas Clement Hammond (exact or similar names) - Sacramento, CA

USPTO Classifications:
81/185, 81/61

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
T. A. Patchen
Samuel E. McClellan
Patent Dates:
Applied: Mar. 23, 1878
Granted: Aug. 20, 1878

Patent Pictures:
Thomas Clement Hammond Pat. August 20, 1878
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Description:
Ratchet and interchangeable sockets -- patent covers pawl, construction of ratchet head, and means to hold double-sized socket in place.

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