Calculator for spiral bound/ring binder notebook organizer

Details Calculator for spiral bound/ring binder notebook organizer Calculator for spiral bound/ring binder notebook organizer

1992-12-07

1994-09-27

Douglas, Alan P.

Printing and office machinery

Typewriter or calculator

Combined

D18 6

Patent

active

D03509710

REFERENCES:
Hong Kong Enterprise, Nov. 1987; p. 114 Notebook Calculator.
Mail Order brochure for Signatures; .COPYRGT.1989; Notebook Calculator.

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