For the Inventor, By the Inventor

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Millville, NJ, United States of America

Lucas Duralith Corporation

USPTO Granted Patents = 3

Forward Citations = 175

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4 inventors (with patents filed for the assignee):

Gregory B Demeo (2 out of 4 patents)

Meryl E Miller (1 out of 4 patents)

Leroy N Nopper (1 out of 4 patents)

4. David D Lewis (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5149923 - Backlit tactile keyboard with improved tactile and electrical (1992-09-22),

2. 5138119 - Backlit tactile keyboard with improved tactile and electrical (1992-08-11),

3. 4987275 - Multi-pole momentary membrane switch (1991-01-22),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#8 in Millville, NJ

#2,658 in New Jersey

#73,766 in US

Millville, NJ, United States of America

Lucas Duralith Corporation

Forward Citations = 175

4 inventors:

Gregory B Demeo (2 out of 4 patents)

Meryl E Miller (1 out of 4 patents)

Leroy N Nopper (1 out of 4 patents)

4. David D Lewis (1 out of 1 patent)

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