Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 420,484
Instrument for Copying Drawings
Patentee:
Ruel W. Whitney (exact or similar names) - San Francisco, San Francisco County, CA

USPTO Classifications:
33/23.05

Tool Categories:
trade specific : draftsman

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 23, 1889
Granted: Feb. 04, 1890

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

Copyright © 2002-2024 - DATAMP