Bubble blowing pen cap

Details Bubble blowing pen cap Bubble blowing pen cap

1998-08-14

2000-07-18

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Element or attachment

D19 36, D19 46, D19 42, D21402, 1906

Patent

active

D04284429

REFERENCES:
patent: D59438 (1921-10-01), Stock
patent: 166934 (1875-08-01), McGill
patent: D222368 (1971-10-01), Feuer
patent: D299992 (1989-02-01), Michel
patent: D352959 (1994-11-01), Wolff
patent: D357500 (1995-04-01), Mutterperl
patent: D398024 (1998-09-01), Frank
patent: 3615596 (1971-10-01), Petti et al.

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