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US Patent: 711,607
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Patentees:
Eli S. Williamson (exact or similar names) - Buffalo, NY
Benjamin L. Williamson (exact or similar names) - Buffalo, NY

USPTO Classifications:
269/309, 269/72, 269/78

Tool Categories:
work holding : vises

Assignees:
None

Manufacturer:
Williamson Manufacturing Co. - Bradford, PA

Witnesses:
C. B. Butler
W. T. Miller
Patent Dates:
Applied: Feb. 28, 1902
Granted: Oct. 21, 1902

Patent Pictures: [ 1 | 2 | 3 | 4 ]
Patent Fig. 1
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