Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Patent
1990-06-12
1992-07-21
Holtje, Nelson C.
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
Holder or file
D 3 301, D19 75, D19 86, D19 91
Patent
active
D03281019
REFERENCES:
patent: D223732 (1972-05-01), Misenko
patent: D265743 (1982-08-01), Meyer et al.
patent: D289181 (1987-04-01), Solomon
patent: D299037 (1988-12-01), Klodt
patent: D317018 (1991-05-01), Tarlow et al.
patent: 2447731 (1948-08-01), Bureau
patent: 3363954 (1968-01-01), Brungardt et al.
patent: 3874501 (1975-04-01), Cronheim
patent: 4717215 (1988-01-01), Everts
patent: 4817861 (1989-04-01), Henrikson
Holtje Nelson C.
Thompson Martha
Westinghouse Electric Corp.
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