Paper tray

Details Paper tray Paper tray

1990-07-17

1993-11-16

Holtje, Nelson C.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 86, D19 95

Patent

active

D03413772

REFERENCES:
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patent: D274067 (1984-06-01), Evenson
patent: D294957 (1988-07-01), Lothe
patent: D296706 (1988-11-01), Evans
patent: D298764 (1988-01-01), Herr et al.
patent: 2137477 (1938-11-01), De Haven
patent: 2704974 (1955-03-01), Setman

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