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Patent number:
Patent Date:
CA Patent: CA-13,814
Improvement on first and intermediate drivers
Patentee:
William Douglas Westman (
exact
or
similar
names) - Toronto, ON Canada
USPTO Classifications:
Tool Categories:
industrial machines
:
industrial machine mechanisms
:
industrial machine pulleys and belt drive mechanisms
Assignees:
None
Manufacturer:
W. D. Westman
- Toronto, ON Canada
Witnesses:
Unknown
Patent Dates:
Applied:
Dec. 10, 1881
Granted:
Dec. 13, 1881
Patent Pictures:
CIPO Data
Report data errors or omissions to steward Jeff Joslin
"Vintage Machinery" entry for W. D. Westman
Description:
This is actually an extension of patent
CA-6,943
for an additional five years.
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