Ballpoint pen

Details Ballpoint pen Ballpoint pen

1989-04-25

1992-07-28

Walsh, Donald P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 43, D19 56, D19 57

Patent

active

D03283119

REFERENCES:
patent: D98265 (1936-01-01), Lynn
patent: D104939 (1937-06-01), Hauton
patent: D128390 (1941-07-01), Christenson, Jr.
patent: D146527 (1947-03-01), Shetlin
patent: D209993 (1968-01-01), Horie
patent: D221033 (1971-06-01), Wakai
patent: D221265 (1971-07-01), Wakai
patent: D273399 (1984-04-01), Zierhut
patent: D282754 (1986-02-01), LeBlanc et al.
patent: D284676 (1986-07-01), Malm
patent: D308396 (1990-06-01), Sekiguchi
Jacobs Gardner Office Products .COPYRGT.1988 see item J p. 584, lower center-desk copy.

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