Clipboard

Details Clipboard Clipboard

1992-10-06

1995-12-19

Thompson, Martie

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 90, D19 91

Patent

active

D03653684

REFERENCES:
patent: D298955 (1988-12-01), Zavar
patent: D334213 (1993-03-01), Evenson
patent: 396505 (1889-01-01), Nolan
patent: 704119 (1902-07-01), Ryden
patent: 2156944 (1939-05-01), Hermann
patent: 2164496 (1939-07-01), Brown
patent: 3167329 (1965-01-01), Ernst
patent: 3419012 (1968-12-01), Stoddard
patent: 4375296 (1983-03-01), Chang
patent: 4501438 (1985-02-01), McKee
patent: 4948172 (1990-08-01), Chang

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