Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1989-01-19
1993-01-19
Holtje, Nelson C.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 51, D19 56
Patent
active
D03326276
REFERENCES:
patent: D120137 (1940-04-01), Most
patent: D189170 (1960-11-01), Lovejoy
patent: D190263 (1961-05-01), Kaplan
patent: D212919 (1968-12-01), Conley
patent: D213341 (1969-02-01), Fields
patent: D215626 (1969-10-01), Jonkers
patent: D240817 (1976-08-01), Funahashi
patent: D258219 (1981-02-01), Oka
patent: 3637316 (1972-01-01), Bross
Anavil Por
Deeley Julian M. H.
D.T.C. Industries Limited
Holtje Nelson C.
Thompson Martha
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