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Patent number:
Patent Date:
US Patent: 137,172
Improvement in saw-filing machines
Patentee:
George Blythe (
exact
or
similar
names) - Chillicothe, MO
USPTO Classifications:
76/31
,
76/78.1
Tool Categories:
metalworking machines
:
grinders
:
sharpening machines
:
saw sharpening machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Reuben Burney
Thomas D. Parker
Patent Dates:
Granted:
Mar. 25, 1873
Patent Pictures:
USPTO
(New site tip)
Google Patents
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