Writing aid

Details Writing aid Writing aid

1986-04-07

1988-11-08

Rademaker, Charles A.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Element or attachment

Patent

active

D02984393

REFERENCES:
patent: D189170 (1960-11-01), Lovejoy
patent: D228418 (1973-09-01), Locke
patent: D286650 (1986-11-01), Fischer
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patent: 3501849 (1970-03-01), Olsen
patent: 3947977 (1976-04-01), Bishop
patent: 4030841 (1977-06-01), Balasty
patent: 4076427 (1978-02-01), Anderson
patent: 4149811 (1979-04-01), Coffman
patent: 4167347 (1979-09-01), Hoyle
patent: 4167347 (1979-09-01), Hoyle
patent: 4526547 (1985-07-01), Rusk

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