Intelligent key display

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4551717
SERIAL NO

06440778

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A programmable key for use on a terminal has a microchip device incorporated therein to permit programming the function of the key, and one or more liquid crystal displays to indicate the programmed function of the key.

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Patent Owner(s)

Patent OwnerAddress
US DEVELOPMENT LTD A DE CORP440 PARK AVENUE SOUTH NEW YORK NY 10016

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dreher, Carl T Dallas, TX 1 82

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