Marking instrument

Details Marking instrument Marking instrument

1990-07-23

1992-07-14

Walsh, Donald P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 43, D19 51, D19 56, D19 57

Patent

active

D03279111

REFERENCES:
patent: D193918 (1962-10-01), Aures, Jr.
patent: D221033 (1971-06-01), Wakai
patent: D259792 (1981-07-01), Itoh et al.
patent: D267982 (1983-02-01), Kennedy
patent: D271212 (1983-11-01), Itoh
patent: D287373 (1986-12-01), Regnault
patent: D299471 (1989-01-01), Carver et al.
patent: D307443 (1990-04-01), Poisson et al.
patent: D313245 (1990-12-01), Iwase
patent: D319469 (1991-08-01), Rutter

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