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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:
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