Card file

Details Card file Card file

1989-11-13

1992-01-28

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 75, D19 86, D19 90

Patent

active

D03235335

REFERENCES:
patent: D186476 (1959-10-01), Chedister
patent: D247042 (1978-01-01), Neilsen et al.
patent: D248963 (1978-08-01), Macowski
patent: D250343 (1978-11-01), Macowski
patent: D251848 (1979-05-01), Hollerith
patent: D265659 (1982-08-01), Neilsen et al.
patent: D292220 (1987-10-01), Wen
patent: D303551 (1989-09-01), Szablak et al.
patent: D303993 (1989-10-01), Szablak et al.
patent: D312661 (1990-12-01), Leszczak
B. A. Pargh Co. Inc. 1985-1986 Winter Catalog-see p. 62 Rolodex List Finder--lower right.
Jacobs Gardner Office Products 1988, see Tenex card file-item E, right center.

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