Index card

Details Index card Index card

1988-03-01

1990-07-10

Burke, Wallace R.

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

283 36, D19 32

Patent

active

D03091554

REFERENCES:
patent: D278159 (1985-03-01), Bellanca
patent: 4784508 (1988-11-01), Shannon
Nebs Computer Forms Catalog, Jan. 5, 1988, p. 17--File and Rotary Cards.
Advanco Catalog, May 1970, p. 11--Tabulating File Guides Britsol.

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