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US Patent: 145,399
Ratchet-Wrenches
Patentee:
Isaac C. Colbert (exact or similar names) - Marysville, OH

USPTO Classifications:
411/392, 81/177.85, 81/185, 81/58.3

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. W. Morey
M. C. Lawrence
E. N. Bates
George E. Upham
Patent Dates:
Applied: Jul. 19, 1873
Granted: Dec. 09, 1873

Patent Pictures:
Isaac C. Colbert Pat. Dec. 9, 1873
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Description:
The ratchet operates with a coil spring. The ratchet barrel has a spring clip to hold interchangeable sockets

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