Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 838,696
Engineer's Slide Rule
Patentee:
William F. Doherty (exact or similar names) - San Francisco, San Francisco County, CA

USPTO Classifications:
235/64.3, 33/809

Tool Categories:
rules : slide rules

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 03, 1906
Granted: Dec. 18, 1906

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

Copyright © 2002-2024 - DATAMP