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US Patent: 82,014
Improved vise
Richard B. Robbins - Adrian, MI
Austin Z. Mason - Adrian, MI

USPTO Classifications:
269/139, 269/262, 269/274

Tool Categories:
work holding : vises

Richard B. Robbins - Adrian, MI

Not known to have been produced

Mary E. Stewart
William H. Hunt

Patent Dates:
Granted: Sep. 08, 1868

Patent Pictures:
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Method of constructing "bevel vise-jaws, so arranged that they may be used either as a positive parallel jaw, or be turned at any desired angle to clamp wedge-shaped pieces, the same being intended as an improvement on Austin Z. Mason's improvement in vise, patented April 28, 1868, patent 77,390."

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