Pencil box

Details Pencil box Pencil box

1991-12-13

1993-05-25

Holtje, Nelson C.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 75, D19 77, D19 35

Patent

active

D03358968

REFERENCES:
patent: D147025 (1947-07-01), Shepard
patent: D163210 (1951-05-01), Long
patent: D200881 (1965-04-01), Anderson
patent: D238719 (1976-02-01), Howard
patent: D278097 (1985-03-01), Akiyoshi
patent: D278207 (1985-04-01), McLaughlin
patent: D283561 (1986-04-01), Geist
patent: D302026 (1989-07-01), Tu
patent: D306234 (1990-02-01), Ferstl
patent: D327017 (1992-06-01), Shih
patent: 4807744 (1989-02-01), Chiou

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