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Patent number:
Patent Date:
US Patent: 211,346
Improvement in saws
Patentees:
Ira C. Bumpus (
exact
or
similar
names) - Boston, MA
Joseph A. Robbins (
exact
or
similar
names) - Boston, MA
USPTO Classifications:
83/849
Tool Categories:
woodworking machines
:
machine and tool cutters
:
sawblades
Assignees:
John Webster
- Salem, MA
Manufacturer:
Not known to have been produced
Witnesses:
W. R. Marble
Sylvenus Walker
Patent Dates:
Applied:
Apr. 22, 1878
Granted:
Jan. 14, 1879
Patent Pictures:
USPTO
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Google Patents
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