Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1981-02-18
1983-04-05
Word, George P.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 56, D1906
Patent
active
D02685019
REFERENCES:
patent: D236977 (1975-09-01), Hocq
patent: D252934 (1979-09-01), Carre
patent: D254677 (1980-04-01), Burrows
patent: D260272 (1981-08-01), Horntrich
patent: D261678 (1981-11-01), Mann
patent: 4183685 (1980-01-01), Hofmann et al.
Kruckel Peter A.
Mock Gerhard
Schwan-Stabilo Schwanhausser GmbH & Co.
Word George P.
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