Calculator

Details Calculator Calculator

1990-10-19

1992-09-15

Holtje, Nelson C.

Printing and office machinery

Typewriter or calculator

Calculator

D18 6

Patent

active

D03294510

REFERENCES:
patent: D200477 (1965-03-01), Mackin
patent: 4313108 (1982-01-01), Yoshida
Austad's 1985 Catalogue; p. 30; Desk Golf Pen Set; bottom right of page.
Hong Kong Enterprise (HKE); Nov. 1987; p. 207; Score Matic bottom right of page.
Austad's Catalogue; p. 29 Pro Golf game at bottom right of page.

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