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Patent number:
Patent Date:
US Patent: 9,474X
Plough
Patentees:
John Mears (
exact
or
similar
names) - Dorchester, MA
David Prouty (
exact
or
similar
names) - Hanover, MA
USPTO Classifications:
172/754
Tool Categories:
wrenches
:
auxiliary wrenches
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Lorenzo Prouty
Patent Dates:
Applied:
Nov. 11, 1835
Granted:
Mar. 04, 1836
Patent Pictures:
David Prouty and John Mears Pat. March 4, 1836
USPTO
(New site tip)
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Report data errors or omissions to steward Stan Schulz
Description:
A wrench-head pin is shown on the plow beam.
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