Office supplies; artists and teachers materials – Office equipment not elsewhere specified
Patent
1990-05-03
1992-03-31
Holtje, Nelson C.
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
D19 86, D19 90, D 8395, D28 40
Patent
active
D03250474
REFERENCES:
patent: D5694 (1872-03-01), Ottner
patent: D6200 (1872-10-01), Wunder
patent: D45507 (1914-04-01), Kapfinger, Jr.
patent: D90930 (1933-10-01), Todd
patent: D132430 (1942-05-01), Rosenberg
patent: D137065 (1944-01-01), Rosenberg
patent: D171091 (1953-12-01), Karpel
patent: D293490 (1987-12-01), Cabiddie
patent: D304978 (1989-12-01), Harrington
patent: D310323 (1990-09-01), Kiyokane
patent: 3441032 (1969-04-01), Barrett
Holtje Nelson C.
Thompson Martha
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