Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 40,203
Screw Cutting Tap
Patentee:
Caleb C. Walworth (exact or similar names) - Boston, Suffolk County, MA

USPTO Classifications:
408/232

Tool Categories:
metalworking tools : taps and dies

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 06, 1863

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

Copyright © 2002-2024 - DATAMP