Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Patent
1991-03-20
1993-06-22
Holtje, Nelson C.
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
Holder or file
D 6467, D19 75, D19 86
Patent
active
D03367525
REFERENCES:
patent: D146470 (1947-03-01), Fresco
patent: D160344 (1950-10-01), Shapiro
patent: D201733 (1965-07-01), Vovakes
patent: D206469 (1966-12-01), Toms
patent: D213737 (1969-04-01), Kohles
patent: D274919 (1984-07-01), Basaldua, Jr.
patent: D279583 (1985-07-01), Hall
Hein William E.
Holtje Nelson C.
Thompson Martha
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