Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1975-04-16
1977-02-08
Herrmann, Winifred E.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D1906
Patent
active
D02433311
REFERENCES:
patent: D23501 (1894-07-01), McIntyre
patent: D174588 (1955-04-01), Noble
patent: D209112 (1967-10-01), Plassmann et al.
patent: D212884 (1968-12-01), Disko
Herrmann Winifred E.
Liberman William R.
Shelbud Products Corporation
Word George P.
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