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City of Industry, CA, United States of America

Spectrol Electronics Corporation

USPTO Granted Patents = 15

Trademarks = 1

Forward Citations = 191

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8 inventors (with patents filed for the assignee):

Richard E Riley (10 out of 16 patents)

Bradley D Turner (3 out of 3 patents)

Robert J DeLong (2 out of 8 patents)

4. Kenneth Brown (1 out of 5 patents)

5. Thomas H Brunjes (1 out of 1 patent)

6. Ronald A Shirley (1 out of 1 patent)

7. Ramzi N Bader (1 out of 1 patent)

8. Eldon D Vaughn (1 out of 2 patents)

15 patents: Sort by Forward Citations

1. 5702653 - Thick-film circuit element (1997-12-30),

2. 5652562 - Thermally fused resistor having a portion of a solder loop thermally (1997-07-29),

3. 5275044 - Three wire potentiometric liquid level sensor (1994-01-04),

4. 5169465 - Thick-film circuit element on a ceramic substrate (1992-12-08),

5. 5146785 - Fluid level sensor with stair step output (1992-09-15),

6. 5138881 - Liquid level sensor including conductive plastic technology (1992-08-18),

7. 5129261 - Three wire potentiometric liquid level sensor (1992-07-14),

8. 5053283 - Thick film ink composition (1991-10-01),

9. 4694657 - Adaptive defrost control and method (1987-09-22),

10. 4418337 - Alarm device (1983-11-29),

11. 4403133 - Method of trimming a resistance element (1983-09-06),

12. 4345235 - Variable resistance device having a resistance element with laser cuts (1982-08-17),

13. 4278725 - Cermet resistor and method of making same (1981-07-14),

14. 3949702 - Indicating device (1976-04-13),

15. 3932831 - Variable resistance device (1976-01-13),

Spectrol Electronics Corporation is a leading provider of high-quality electronic components and solutions for a wide range of industries. With a strong focus on innovation and customer satisfaction, we offer a diverse portfolio of products including precision resistors, potentiometers, and voltage dividers. Our products are designed to meet the most demanding requirements and are trusted by clients worldwide for their reliability and performance. Visit our website to learn more about our offerings and how we can help meet your electronic component needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

15 Patents

#35 in City of Industry, CA

#4,877 in California

#20,443 in US

#38,743 in the World

City of Industry, CA, United States of America

Spectrol Electronics Corporation

Forward Citations = 191

8 inventors:

Richard E Riley (10 out of 16 patents)

Bradley D Turner (3 out of 3 patents)

Robert J DeLong (2 out of 8 patents)

4. Kenneth Brown (1 out of 5 patents)

5. Thomas H Brunjes (1 out of 1 patent)

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