Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 824,299
Combination-Rule
Patentee:

USPTO Classifications:
33/27.03, 33/458, D10/65

Tool Categories:
rules
layout tools : compasses
layout tools : protractors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. E. Slatraugh
Wm. P. Belt
J. L. DuBois
C. H. Griesbauer

Patent Dates:
Applied: Mar. 15, 1905
Granted: Jun. 26, 1906

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This is a simple ruler with a series of holes to allow it to be used a a compass, and a graduated joint to allow it to be used a a protractor.

Copyright © 2002-2024 - DATAMP