Hanging file folder

Details Hanging file folder Hanging file folder

1987-09-18

1991-05-21

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 75, D19 86, D19 91

Patent

active

D03170187

REFERENCES:
patent: D170254 (1953-08-01), Bookler
patent: D201935 (1965-08-01), Kelley
patent: 650699 (1900-05-01), Williams
patent: 1917980 (1933-07-01), Kelsey
patent: 2291724 (1942-08-01), Jonas
patent: 2333798 (1943-11-01), Kner
patent: 2350617 (1944-06-01), Johnson
patent: 2974854 (1961-03-01), Moore
patent: 3017987 (1962-01-01), Marlo
patent: 3863828 (1975-02-01), King
patent: 3874753 (1975-04-01), Naito et al.
patent: 3885726 (1975-05-01), Friedlund et al.
patent: 4308988 (1982-01-01), Jiveman et al.
patent: 4477013 (1984-10-01), Herrin
patent: 4576328 (1986-03-01), Snider et al.
patent: 4640030 (1987-02-01), Wood et al.

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