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Patent number:
Patent Date:
US Patent: 709,178
Tool Holder and Guide for Grindstones
Patentee:
Silas C. Schofield (
exact
or
similar
names) - Freeport, Stephenson County, IL
USPTO Classifications:
451/220
,
451/409
,
451/906
,
76/82.1
,
82/150
Tool Categories:
metalworking machines
:
grinding machines
agricultural
:
sharpeners
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jan. 30, 1902
Granted:
Sep. 16, 1902
Patent Pictures:
USPTO
(New site tip)
Google Patents
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