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US Patent: 104,234
Screw Cutting
Improved Die for Cutting Screw Threads on Bolts
Patentee:
James E. Weaver (exact or similar names) - Temperanceville, Allegheny County, PA

USPTO Classifications:
408/166, 470/190

Tool Categories:
metalworking tools : taps and dies

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jun. 14, 1870

Patent Pictures:
USPTO (New site tip)
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