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CA Patent: CA-11,634
Machines for clamping window sashes
Patentee:
William Abercrombie - Ancaster, ON Canada

USPTO Classifications:

Tool Categories:
work holding : clamps : miter and corner clamps
woodworking machines : specialty machines : window making machines

Assignees:
None

Manufacturer:
Wm. Abercrombie - Hamilton, ON Canada

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 13, 1880

Patent Pictures:
CIPO Data
Report data errors or omissions
"Vintage Machinery" entry for Wm. Abercrombie
Description:
This is a five-year extension of patent CA-5,056. The petition describes Abercrombie as a manufacturer.

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