Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Patent
1988-11-28
1992-03-24
Dunkins, Bruce W.
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
Holder or file
D 3 74, D19 49, D19 56, D19 81
Patent
active
D03248810
REFERENCES:
patent: D58398 (1921-07-01), Peshkin
patent: D291947 (1987-09-01), Nakata
patent: D305777 (1990-01-01), Lee
patent: D306519 (1990-03-01), Nakata
patent: D309983 (1990-08-01), Nakata
patent: 1350118 (1920-08-01), Spelling
patent: 2412938 (1946-12-01), Amoth
patent: 4415092 (1983-11-01), Boyer
patent: 4562923 (1986-01-01), Katada et al.
patent: 4798310 (1989-01-01), Kasai et al.
Dunkins Bruce W.
Thompson Martha
Tombow Pencil Co. Ltd.
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