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US Patent: 22,985
Method of burning the threads on wooden screws
Patentee:
T. Briggs Smith (exact or similar names) - New York, NY

USPTO Classifications:
144/364

Tool Categories:
woodworking machines : specialty woodworking machines : wood threading machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. W. Smith
T. C. H. Smith

Patent Dates:
Granted: Feb. 15, 1859

Patent Pictures:
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