Pen cap

Details Pen cap Pen cap

1996-09-24

1997-11-04

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Element or attachment

D19 51, D19 56, 1906

Patent

active

D03859185

REFERENCES:
patent: D310684 (1990-09-01), Itoh
patent: D317625 (1991-06-01), Itoh
patent: D318294 (1991-07-01), Cho-Kai
patent: D325931 (1992-05-01), Sekiguchi
patent: D331070 (1992-11-01), Huang
patent: D340947 (1993-11-01), Tu
patent: D355442 (1995-02-01), Chuang

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