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CA Patent: CA-289,145
Conduit outlet box
Patentee:
Malcolm Callander - Guelph, ON Canada

USPTO Classifications:

Tool Categories:

Assignees:
None

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

Witnesses:
Unknown

Patent Dates:
Granted: Apr. 30, 1929

Patent Pictures:
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"Vintage Machinery" entry for Callander Foundry & Manufacturing Co.

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