Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,070,343
Pipe Wrench
Patentee:
Henry F. Hoffmann (exact or similar names) - New York, NY

USPTO Classifications:
81/103

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
George L. Beeler
Philip D. Rollhaus

Patent Dates:
Applied: Mar. 12, 1913
Granted: Aug. 12, 1913

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
According to Ken Cope's "American Wrench Makers 1830-1930," Hoffman used this patent and his Sept. 10, 1918 patent (no. 1,278,653) in pipe wrenches he produced.

Copyright © 2002-2024 - DATAMP