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US Patent: 2,575,250
Woodworking tool fence supporting structure
Patentee:
William Copp - Guelph, ON Canada

USPTO Classifications:
144/253.1, 144/253.8

Tool Categories:
woodworking machines : cutter head machines : jointers

Assignees:
Callander Foundry & Manufacturing Co., Ltd. - Guelph, ON Canada

Manufacturer:
Callander Foundry & Manufacturing Co., Ltd. - Guelph, ON Canada
Rockwell Manufacturing Co. - Pittsburgh, PA

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 16, 1948
Granted: Nov. 13, 1951

Patent Pictures:
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"Vintage Machinery" entry for Callander Foundry & Manufacturing Co.
Description:
Callander Foundry made the "Beaver" line of machinery; the company was purchased by Rockwell Manufacturing Co. in 1953.

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