Counting computer software cartridge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4553252
SERIAL NO

06446847

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A cartridge housing contains a semi-conductor or memory for storing digital information which may be accessed by an external device for display on a screen. The cartridge includes a counting circuit for counting the number of times the cartridge is used and a display for exhibiting the count.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Egendorf, Harris H 8016 Bustleton Ave., Philadelphia, PA 19152 3 202

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