Pencil case

Details Pencil case Pencil case

1989-08-11

1992-06-23

Walsh, Donald P.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 85, D 3 74

Patent

active

D03272931

REFERENCES:
patent: D47350 (1915-05-01), Van Alst
patent: D199648 (1964-11-01), Reiner
patent: D201715 (1965-07-01), Newlin, Jr. et al.
patent: D254435 (1980-03-01), Ferron
patent: D280986 (1985-10-01), Kao
patent: D288624 (1987-03-01), Hoard
patent: D291199 (1987-08-01), Watanabe
patent: D291947 (1987-09-01), Nakata
patent: D306519 (1990-03-01), Nakata
patent: D309983 (1990-08-01), Nakata

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