Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent
1987-02-13
1990-09-18
Gandy, James M.
Office supplies; artists and teachers materials
Teaching material
Demonstrator or exhibitor
Patent
active
D03106861
REFERENCES:
patent: 2214988 (1940-09-01), Bolhuis
patent: 2936530 (1960-05-01), Bowen
patent: 3153299 (1964-10-01), Jennings
patent: 4650437 (1987-03-01), Sitkus
Gillfillan Patricia B.
Tacquard Timothy L.
Gandy James M.
Patail Enterprises, Inc.
Schmidt Pamela J.
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