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Patent number:
Patent Date:
US Patent: 930,178
Saw-sharpening machine
Patentee:
John Patrick Hedstrom (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
76/41
,
76/77
Tool Categories:
metalworking machines
:
grinders
:
sharpening machines
:
saw sharpening machines
Assignees:
Hanchett Swage Works
- Big Rapids, MI
Manufacturer:
Hanchett Swage Works
- Big Rapids, MI
Witnesses:
Frank G. Westlund
Nels. Johnson
Patent Dates:
Applied:
Jan. 09, 1905
Granted:
Aug. 03, 1909
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hanchett Swage Works
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