Calculator with advertising space and coupon dispensing apparatu

Details Calculator with advertising space and coupon dispensing apparatu Calculator with advertising space and coupon dispensing apparatu

1992-03-02

1994-10-11

Douglas, Alan P.

Printing and office machinery

Typewriter or calculator

Calculator

Patent

active

D03514080

REFERENCES:
patent: D227770 (1973-07-01), Yamamoto
patent: D287730 (1986-12-01), Stoll
patent: D321577 (1991-11-01), Ellis et al.
patent: D328607 (1992-08-01), Brennan
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patent: 4685701 (1987-08-01), Amundson
patent: 4802575 (1989-02-01), Martin
patent: 4858353 (1989-08-01), Krebs
patent: 4892192 (1990-01-01), Hague
patent: 4901901 (1990-02-01), Reitenour
patent: 4954003 (1990-09-01), Shea
patent: 5048736 (1991-09-01), Anatra
patent: 5176392 (1993-07-01), Graebe, Jr.
Visual Merchandising & Store Design, May 1989, p. 63.
The "ShopCal" brochure.

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