Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 93,824
Pipe Drill
Improved Compound Tool for Water and Gas Pipes
Patentee:
William Humphreys (exact or similar names) - Waterford, Saratoga County, NY

USPTO Classifications:
408/219, 408/224

Tool Categories:
specialty tools : pipe reamers
metalworking tools : taps and dies
metalworking machines : drilling and boring : drill bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Aug. 17, 1869

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

Copyright © 2002-2024 - DATAMP