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US Patent: 38,877
Improvement in Machines for Round Tenons
Patentee:
Ira L. Beckwith (exact or similar names) - Providence, RI

USPTO Classifications:
30/495

Tool Categories:
woodworking tools : hand drills : drill bits : hollow bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. H. Eddy
F. P. Hale, Jr.

Patent Dates:
Granted: Jun. 16, 1863

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