Portable checkwriter

Details Portable checkwriter Portable checkwriter

1992-01-28

1993-08-17

Douglas, Alan P.

Printing and office machinery

Typewriter or calculator

Checkwriter

D14100

Patent

active

D03384853

REFERENCES:
patent: D227473 (1973-06-01), Lampel
patent: D271101 (1983-10-01), Grae
patent: D315571 (1991-03-01), Kayden
patent: 3307476 (1967-03-01), Jagger
patent: 3467006 (1969-09-01), Johnson
patent: 3601043 (1971-08-01), Cook
Hong Kong Ent., Oct. 1989, p. 192, Calculator 296-bottom center of page.

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