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Patent number:
Patent Date:
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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