Slide chart

Details Slide chart Slide chart

1977-06-20

1980-01-01

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Calculator

D1999

Patent

active

D02538300

REFERENCES:
patent: D231796 (1974-06-01), Schwarz et al.
patent: 2049038 (1936-07-01), Andersen
patent: 3562940 (1971-02-01), Gulbransen, Sr. et al.
patent: 3837569 (1974-09-01), Bradbury et al.
patent: 3933305 (1976-01-01), Murphy

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2113814