Musical pen with round top button

Details Musical pen with round top button Musical pen with round top button

1998-09-30

1999-05-04

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Plural or combined

D19 43, D19 51, D19 56, D19 57, 1906

Patent

active

D04092414

REFERENCES:
patent: D143176 (1945-12-01), Whitehouse
patent: D358843 (1995-05-01), Hong
patent: D364641 (1995-11-01), Osterhout
patent: D366902 (1996-02-01), Takahashi
patent: D401275 (1998-11-01), Otake
patent: D401278 (1998-11-01), Hu
patent: 3089465 (1963-05-01), West
patent: 4371278 (1983-02-01), Joo
patent: 4763355 (1988-08-01), Cox
patent: 5313557 (1994-05-01), Osterhout

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