Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 3,413X
Improvement in the sliding sector plane
Protractors
Patentee:
Gabriel H. Thompson - Boston, MA

USPTO Classifications:
33/424

Tool Categories:
layout tools : protractors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 04, 1821

Patent Pictures:
Patent Fig. 1
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
Patent is missing pages

Copyright © 2002-2017 - DATAMP