Parallel straightedge

Details Parallel straightedge Parallel straightedge

1985-05-13

1987-10-13

Holtje, Nelson C.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

D10 71, D10 65

Patent

active

D02922967

REFERENCES:
patent: D139700 (1944-12-01), Truhon
patent: D241019 (1976-08-01), Chadwick
patent: D254313 (1980-02-01), Dunmore
patent: 1667150 (1928-04-01), Griffith
patent: 2129457 (1938-09-01), Von Zimmermann
patent: 3911585 (1975-10-01), McNeil
The Frederick Post Co. Cat., #18, .COPYRGT.1936-p. 211-Parallel Rule.

Affiliated with

Also associated with

Rating

Parallel straightedge does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Parallel straightedge, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Parallel straightedge will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-403549