Case for a learning aid or calculator or the like

Details Case for a learning aid or calculator or the like Case for a learning aid or calculator or the like

1977-10-25

1979-04-17

Lucas, Susan J.

Printing and office machinery

Typewriter or calculator

Calculator

D1801

Patent

active

D02516349

REFERENCES:
patent: D222542 (1971-11-01), Matsumoto
patent: 3130518 (1964-04-01), Glass et al.
Hanover House Gift Guide, .COPYRGT.1967, p. 8. Robot computer.
Merchandising Week, 2-24-75, p. 99, Novus "Quiz Kid" novelty calculator.

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