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Patent number:
Patent Date:
US Patent: 108,840
Improvement in Vises
Patentee:
John E Sinclair (
exact
or
similar
names) - Worcester, MA
USPTO Classifications:
269/160
,
269/192
Tool Categories:
work holding
:
vises
:
bench vises
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
D H Andrews
M P Higgins
Patent Dates:
Granted:
Nov. 01, 1870
Patent Pictures:
Patent Fig. 1
USPTO
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