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US Patent: 620,461
Wrench
Patentee:
Charles H. Lambkin (exact or similar names) - Mount Vernon, NY

USPTO Classifications:
408/121, 81/58.5, 81/61

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Jos. Keeler
L. N. Legendre
E. P. Hendrickson
A. Faber du Faur, Jr.
Patent Dates:
Applied: Mar. 11, 1898
Granted: Feb. 28, 1899

Patent Pictures:
Charles H. Lambkin patent February 28, 1899
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Description:
"Ratchet" action accomplished by the tightening of a gripping band. Lambkin's previous patent no. 587,006 was advertised in 1897.

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