Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1981-07-13
1983-06-21
Word, George P.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 51, D1900
Patent
active
D02694450
REFERENCES:
patent: D92534 (1934-06-01), Hale
patent: D93736 (1934-10-01), Riddel
patent: D100845 (1936-08-01), Bloser
patent: D169307 (1953-04-01), Ferber
patent: D174250 (1955-03-01), Daniels
Kruckel Peter A.
Mock Gerhard
Messrs. Schwan-Stabilo Schwanhausser GmbH & Co.
Word George P.
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