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Patent number:
Patent Date:
CA Patent: CA-9,096
Improvements on emery wheels
Patentee:
Gilbert Hart (
exact
or
similar
names) - Detroit, MI
USPTO Classifications:
Tool Categories:
industrial tools
:
grinding wheels
metalworking machines
:
grinders
:
sharpening machines
:
grinding wheels
Assignees:
None
Manufacturer:
Hart Emery Wheel Co., Ltd.
- Hamilton, ON Canada
Witnesses:
Unknown
Patent Dates:
Granted:
Aug. 06, 1878
Patent Pictures:
CIPO Data
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hart Emery Wheel Co.
Description:
This patent appears to be, roughly, the Canadian equivalent of US patent
226,066
, which dates from nearly two years later.
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