Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1991-10-29
1994-02-15
Holtje, Nelson C.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 46, D19 51
Patent
active
D03442888
REFERENCES:
patent: D18491 (1888-07-01), Jones
patent: D62720 (1923-07-01), Goldstein
patent: D97555 (1935-11-01), Koerper
patent: D107813 (1938-01-01), Weissenborn
patent: D142330 (1945-08-01), Trollen
patent: D149897 (1948-06-01), McFadyen
patent: D172313 (1954-05-01), Rucker
patent: D182239 (1958-03-01), Lemon
patent: D185150 (1959-05-01), Hulbert
patent: D254856 (1980-04-01), Bajusz
Dougherty Ralph H.
Holtje Nelson C.
Thompson Martie
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