Card

Details Card Card

1986-09-29

1990-01-09

Holtje, Nelson C.

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

D19 6

Patent

active

D03054390

REFERENCES:
patent: D19720 (1890-03-01), Lochbaum
patent: D20568 (1891-03-01), Lipman
patent: D164591 (1951-09-01), Murphy
patent: 3346979 (1967-10-01), Milos

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