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For the Inventor, By the Inventor

Chino, CA, United States of America

Novatech Electro-Luminescent Inc.


USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 108

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3 inventors (with patents filed for the assignee):

goldMedal James Leych Lau (3 out of 14 patents)

silverMedal William C Stevenson (3 out of 3 patents)

bronzeMedal Philip Chan (1 out of 1 patent)


3 patents:

1. 7255622 - Method for manufacturing low cost electroluminescent (EL) illuminated membrane switches (2007-08-14),
2. 6698085 - Method for manufacturing low cost electroluminescent (EL) illuminated membrane switches (2004-03-02),
3. 6607413 - Method for manufacturing an electroluminescent lamp (2003-08-19),
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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#37 in Chino, CA

#16,847 in California

#73,815 in US

Chino, CA (US)
Chino, CA, United States of America

Novatech Electro-Luminescent Inc.

Forward Citations = 108

3 inventors:

goldMedal James Leych Lau (3 out of 14 patents)

silverMedal William C Stevenson (3 out of 3 patents)

bronzeMedal Philip Chan (1 out of 1 patent)

Please report any incorrect information to [email protected]
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