Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Writing or drawing surface – e.g. – blackboard – drawing board,...
Patent
1986-09-11
1989-03-07
Holtje, Nelson C.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Writing or drawing surface, e.g., blackboard, drawing board,...
D18 39
Patent
active
D03001504
REFERENCES:
patent: D213625 (1969-03-01), Jensen
patent: 2844897 (1959-07-01), Vance
patent: 3294251 (1966-12-01), Howell
patent: 4648706 (1987-03-01), Shibasaki
patent: 4702586 (1987-10-01), Saito
patent: 4727431 (1988-02-01), Nakamura
patent: 4739414 (1988-04-01), Pryor
Office Products Dealer-9/85-p. 139-White Board at top-left.
Holtje Nelson C.
Ricoh & Company, Ltd.
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