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For the Inventor, By the Inventor

Carpinteria, CA, United States of America

Essex Transducers Corporation


USPTO Granted Patents = 3

Forward Citations = 71

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2 inventors (with patents filed for the assignee):

goldMedal Harry W Kompanek (2 out of 18 patents)

silverMedal Michael D Burridge (1 out of 2 patents)


3 patents:

1. D256252 - Keyboard (1980-08-05),
2. 4193010 - Sensor device using piezoelectric coating subjected to bending (1980-03-11),
3. 4190785 - Pressure sensitive signal generator using piezoelectric coating (1980-02-26),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#24 in Carpinteria, CA

#16,426 in California

#72,030 in US

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Carpinteria, CA, United States of America

Essex Transducers Corporation

Forward Citations = 71

2 inventors:

goldMedal Harry W Kompanek (2 out of 18 patents)

silverMedal Michael D Burridge (1 out of 2 patents)

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