Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Patent
1990-06-21
1993-02-09
Douglas, Alan P.
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
Holder or file
D19 83, D19 92, D10 2, D18 2
Patent
active
D03331598
REFERENCES:
patent: D112183 (1938-11-01), Silvers
patent: D139150 (1944-10-01), Hoffmann
patent: D151959 (1948-12-01), Bowers
patent: D180320 (1957-05-01), Doman
patent: D186702 (1959-11-01), Bunn
patent: D255695 (1980-07-01), Yu
patent: D259123 (1981-05-01), Macowski
patent: D264821 (1982-06-01), Henkels
patent: D285094 (1986-08-01), Li
patent: D286161 (1986-10-01), Wong
patent: D303398 (1989-09-01), Lowinger
Douglas Alan P.
Pollyflame International B.V.
Thompson Martha
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