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US Patent: 791,741
Eli S. Williamson - Buffalo, NY

USPTO Classifications:
269/212, 269/221, 269/247, 269/254R

Tool Categories:
work holding : vises : bench vises


Williamson Manufacturing Co. - Bradford, PA
Williamson Vise Co. - Bradford, PA
G. M. Yost Manufacturing Co. - Meadville, PA

K. T. Miller
W. T. Miller

Patent Dates:
Applied: Apr. 12, 1904
Granted: Jun. 06, 1905

Patent Pictures:
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"Vintage Machinery" entry for G. M. Yost Manufacturing Co.
"Vintage Machinery" entry for Williamson Manufacturing Co.
The inventor's earlier patent 711,607 and this patent were used by the Williamson Manufacturing Co., which was established in 1902 to manufacture the earlier patent vise. The company name was changed to Williamson Vise Co. in about 1908 and then the company was acquired by the G. M. Yost Manufacturing Co., which continued to manufacture the Williamson line of vises.

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