Organizer-keyboard

Details Organizer-keyboard Organizer-keyboard

1989-02-23

1989-09-19

Lazarus, Ira S.

Education and demonstration

Visual art or craft, artistic adornment, or color training...

Color application

434231, G09B 1110

Patent

active

048676845

ABSTRACT:
A structure for selectively displaying markers, or crayons, such selectivity being controlled by a keyboard whereby a user, on depressing an activator, may cause the selected marker to be elevated.

REFERENCES:
patent: 925716 (1909-06-01), McAnulty
patent: 940093 (1909-11-01), Vick
patent: 2624126 (1953-01-01), Bolognino et al.
patent: 2987827 (1961-06-01), Carnegie, Sr.

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