Writing instrument

Details Writing instrument Writing instrument

1989-11-09

1992-02-25

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 41, D19 51, D19 56

Patent

active

D03242382

REFERENCES:
patent: D100965 (1936-08-01), Molyneux
patent: D100966 (1936-08-01), Molyneux
patent: D103403 (1937-03-01), Iannelli
patent: D146335 (1947-02-01), Colomy
patent: D153905 (1949-05-01), Sager
patent: D160436 (1950-10-01), Seibert
patent: D172929 (1954-08-01), Kahla
patent: D218862 (1970-09-01), Sherman
patent: D303124 (1989-08-01), Li
patent: 4371278 (1983-02-01), Joo
patent: 4516309 (1985-09-01), Dirks

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