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Patent number:
Patent Date:
US Patent: 222,386
Improvement in saw-sharpening machines
Patentee:
William L. Covel (
exact
or
similar
names) - Beloit, WI
USPTO Classifications:
76/43
,
76/77
,
76/79
Tool Categories:
metalworking machines
:
grinders
:
sharpening machines
:
saw sharpening machines
Assignees:
None
Manufacturer:
Halladay, Litchfield & Co.
- Chicago, IL
Witnesses:
Charles A. Pettit
Solon C. Kemon
Patent Dates:
Applied:
Aug. 23, 1875
Granted:
Dec. 09, 1879
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Description:
Halladay, Litchfield & Co. licensed this patent in addition to Covel's earlier patent
172,092
.
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