Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Element or attachment
Patent
1985-11-21
1990-06-19
Feifer, Melvin B.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Element or attachment
Patent
active
D03086976
REFERENCES:
patent: 46649 (1914-11-01), Eckermann
patent: 858020 (1907-06-01), Pilkington
patent: 960092 (1910-05-01), Hunter
patent: 1080603 (1913-12-01), Stone
patent: 1592943 (1926-07-01), Holderman
patent: 1813396 (1931-07-01), Gordon
Adams Bruce L.
Feifer Melvin B.
Pentel Kabushiki Kaisha
Wilks Van C.
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