Notebook calculator

Details Notebook calculator Notebook calculator

1994-01-31

1996-04-23

Douglas, Alan P.

Printing and office machinery

Typewriter or calculator

Calculator

D18 21

Patent

active

D03691780

REFERENCES:
patent: D343187 (1994-01-01), Webb et al.
patent: D350971 (1994-09-01), Lassberg
Hong Kong Enterprise; Nov. 1987; p. 114.
Signatures Flyer, Jan. 1989; Tronica Calculator.
Hong Kong Enterprise; Mar. 1989; p. 537; Calculator CA-1269 in the middle box on the right side.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2300437