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US Patent: 150,900
Improvement in clamps
Patentees:
Edward W. Fawcett - Salem, OH
Albert R. Silver - Salem, OH

USPTO Classifications:
12/103, 269/182, 269/249, 269/258, 81/4

Tool Categories:
work holding : clamps : C clamps

Assignees:
John Deming - Salem, OH
Albert R. Silver - Salem, OH

Manufacturer:
Silver & Deming - Salem, OH

Witnesses:
Peter Ambler
Albert E. Bonsall

Patent Dates:
Granted: May 12, 1874

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Silver & Deming Manufacturing Co.

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