Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 9,786X
Compass Needle
Patentee:
Nathan Bassett (exact or similar names) - Wilmington, DE

USPTO Classifications:
33/356

Tool Categories:
trade specific : surveyor

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jun. 28, 1836

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This design for a compass needle uses a semicircular counterweight to allow the needle to be accurately balanced.

Copyright © 2002-2024 - DATAMP