Printing and office machinery – Typewriter or calculator – Calculator
Patent
1978-07-12
1981-05-12
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Calculator
D1801
Patent
active
D02592002
REFERENCES:
patent: D230404 (1974-02-01), Jimbo
patent: D243535 (1977-03-01), Ikeda
patent: D247391 (1978-02-01), Hazama et al.
patent: D249093 (1978-08-01), Hazama et al.
patent: D249742 (1978-09-01), Ohie
patent: 4158230 (1979-06-01), Washizuka et al.
Ichikawa Shinpei
Welch Robert A.
Heiting Leo N.
Marshall, Jr. Robert D.
Sharp Melvin
Texas Instruments Incorporated
Zarfas Louis S,.
LandOfFree
Case for an electronic 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 Case for an electronic calculator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Case for an electronic calculator will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2038998