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US Patent: 166,553
Improvement in Hand Vises
Leonard L. Pollard - Worcester, MA

USPTO Classifications:
269/234, 269/5, 269/6, 279/108

Tool Categories:
work holding : vises : hand vises


Lowell Wrench Co. - Worcester, MA

Chas. H. Burleigh
John E. Sinclair

Patent Dates:
Applied: May 25, 1875
Granted: Aug. 10, 1875

Patent Pictures:
Image courtesy and (C) Rick Floyd, eBay handle yesteryearsharvest
USPTO pdf tiff
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Patent picture is missing from the USPTO database. Twisting the handle operates the jaws. Main feature of the patent is the use of a sleeve system to protect the adjusting threads from dirt, filings, etc. Known examples are marked with either just: PAT'D/AUG.10./1875 or LOWELL WRENCH/CO./PAT. AUG. 10/1875/WORCESTER, MASS.

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