For the Inventor, By the Inventor

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Salt Lake City, UT, United States of America

Trojan Corporation

USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 17

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4 inventors (with patents filed for the assignee):

Wallace E Fizer (2 out of 2 patents)

Edward F Duzyk (2 out of 2 patents)

Ronald D Thomas (1 out of 12 patents)

4. Robert W Levan (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5560958 - Method and apparatus for coating fluorescent lamps (1996-10-01),

2. 5532549 - Coated, labeled fluorescent lamp (1996-07-02),

3. 4938143 - Booster shaped for high-efficiency detonating (1990-07-03),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#359 in Salt Lake City, UT

#953 in Utah

#71,953 in US

Salt Lake City, UT, United States of America

Trojan Corporation

Forward Citations = 17

4 inventors:

Wallace E Fizer (2 out of 2 patents)

Edward F Duzyk (2 out of 2 patents)

Ronald D Thomas (1 out of 12 patents)

4. Robert W Levan (1 out of 1 patent)

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