Number selecting pen

Details Number selecting pen Number selecting pen

1997-10-31

1998-12-22

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Plural or combined

D19 46, D19 51, D21 37, 1906

Patent

active

D04030176

REFERENCES:
patent: D191554 (1961-10-01), Bodor
patent: D195480 (1963-06-01), Tegen
patent: D306747 (1990-03-01), Gigliotti
patent: D331777 (1992-12-01), Sedlmeier et al.
patent: D377806 (1997-02-01), Samucha
patent: D379472 (1997-05-01), Smith
patent: 2172597 (1939-09-01), Simpson
patent: 4136876 (1979-01-01), Kaplan
patent: 4530503 (1985-07-01), Rice
patent: 4948284 (1990-08-01), Lingott
patent: 5016881 (1991-05-01), Lindsey
patent: 5328172 (1994-07-01), Jagiella

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