Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,443,687
Self Opening Tool Holder
Patentee:
William Hughes (exact or similar names) - Philadelphia, PA

USPTO Classifications:
409/346, 82/158

Tool Categories:
metalworking machines : metalworking machine tool holders

Assignees:
Hess-Bright Mfg. Co. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 22, 1920
Granted: Jan. 30, 1923

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

Copyright © 2002-2024 - DATAMP