Printing and office machinery – Typewriter or calculator – Calculator
Patent
1989-10-16
1991-06-18
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Calculator
Patent
active
D03176185
REFERENCES:
patent: D269624 (1983-07-01), Sakata
patent: D273304 (1984-04-01), Sakata
patent: D273393 (1984-04-01), Sakamoto
patent: D273593 (1984-04-01), Sakamoto
patent: D275769 (1984-10-01), Yamada
patent: D276242 (1984-11-01), Sakamoto
patent: D287139 (1986-12-01), Hayashi
patent: D297947 (1988-10-01), Yubisui et al.
patent: D303681 (1989-09-01), Sakaguchi et al.
patent: D307032 (1990-04-01), Sawada et al.
patent: D309747 (1990-08-01), Sakaguchi et al.
Best Catalogue; 1983/84; p. 328, #1--TI Professional Business Analyst Calc. Model BA-55.
Radio Shack Catalogue; p. 161, #EC-4020.
HFD--Retailing Home Furnishings, Jun. 30, 1980, p. 81; Toshiba LC-840WA.
Nishida Kouji
Sawada Masaji
Holtje Nelson C.
Sharp Corporation
Veynar Caron D.
LandOfFree
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 Electronic calculator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic calculator will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-138596