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Patent number:
Patent Date:
US Patent: 6,858
File-supporter
Patentees:
Benjamin M. Townsend (
exact
or
similar
names) - Quincy, IL
Jerome B. Woodruff (
exact
or
similar
names) - Washington, DC
USPTO Classifications:
76/31
Tool Categories:
metalworking machines
:
grinders
:
sharpening machines
:
saw sharpening machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
E. S. Renwick
William D. Washington
Patent Dates:
Granted:
Nov. 06, 1849
Patent Pictures:
USPTO
(New site tip)
Google Patents
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