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Patent number:
Patent Date:
US Patent: 503,127
Machine for grinding mower-knives
Patentee:
Rufus Dutton (
exact
or
similar
names) - New York, NY
USPTO Classifications:
451/122
Tool Categories:
agricultural
:
sharpeners
metalworking machines
:
grinders
:
sharpening machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Irving E. Smith
Bernard J. Isecke
Patent Dates:
Applied:
Jan. 17, 1891
Granted:
Aug. 15, 1893
Patent Pictures:
USPTO
(New site tip)
Google Patents
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