Knob for card file

Details Knob for card file Knob for card file

1998-11-02

2000-04-25

Holtje, Martie K.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Element or attachment

D19 76, 1902

Patent

active

D04235886

REFERENCES:
patent: D31311 (1899-08-01), Schroeder
patent: D212871 (1968-12-01), Anderson
patent: D239700 (1976-04-01), Maruca et al.
patent: D241430 (1976-09-01), Maruca et al.
patent: D290323 (1987-06-01), Weernink
patent: D304303 (1989-10-01), Hurst et al.
patent: D330332 (1992-10-01), Pezzoli et al.
patent: D365367 (1995-12-01), Bell et al.
patent: D387734 (1997-12-01), Hawkins, Jr. et al.
patent: 3628269 (1971-12-01), Dahl, Jr.

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