Portable file box

Details Portable file box Portable file box

1991-12-30

1993-08-10

Holtje, Nelson C.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D 3 301, D 3 35, D19 86, D19 90

Patent

active

D03382389

REFERENCES:
patent: D179601 (1957-01-01), Husted
patent: D182967 (1958-06-01), Leopold et al.
patent: D243860 (1977-03-01), Simpson, Jr.
patent: D300583 (1989-04-01), Smith
patent: D302491 (1989-08-01), Brush, Jr. et al.
patent: D327705 (1992-07-01), Aaldenberg et al.
patent: D328313 (1992-07-01), Evenson et al.
patent: 4848574 (1989-07-01), Murphy et al.

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