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Trademarks = 1

Forward Citations = 240

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4 inventors (with patents filed for the assignee):

Roger W Ward (10 out of 15 patents)

Errol P EerNisse (8 out of 22 patents)

O Lew Wood (3 out of 3 patents)

4. Errol P Eer Nisse (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 5168191 - Crystal resonator with low acceleration sensitivity and method of (1992-12-01),

2. 5030876 - Mounting structure for crystal resonator (1991-07-09),

3. 5022130 - Method of manufacturing crystal resonators having low acceleration (1991-06-11),

4. 4935658 - Crystal resonator with low acceleration sensitivity and method of (1990-06-19),

5. 4837475 - Crystal resonator with low acceleration sensitivity and method of (1989-06-06),

6. 4754646 - Resonator pressure transducer structure and method of manufacture (1988-07-05),

7. 4660420 - AT-cut crystal resonator pressure transducer (1987-04-28),

8. 4644803 - Force measurement apparatus and method (1987-02-24),

9. 4644796 - Pressure measurement apparatus and method (1987-02-24),

10. 4574639 - Pressure force measurement apparatus and method (1986-03-11),

11. 4550610 - Resonator pressure transducer (1985-11-05),

12. 4535638 - Resonator transducer system with temperature compensation (1985-08-20),

13. 4526480 - Fluid density temperature measurement apparatus and method (1985-07-02),

Quartztronics, Inc. is a leading manufacturer of quartz-based products for various industries. With a focus on precision engineering and quality control, our team produces a wide range of quartz components including crystals, oscillators, filters, and sensors. Our products are used in telecommunications, aerospace, military, and other critical applications where reliability and accuracy are paramount. Visit our website to learn more about our cutting-edge solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

13 Patents

#109 in Salt Lake City, UT

#270 in Utah

#23,099 in US

#43,615 in the World

Salt Lake City, UT, United States of America

Quartztronics, Inc.

Forward Citations = 240

4 inventors:

Roger W Ward (10 out of 15 patents)

Errol P EerNisse (8 out of 22 patents)

O Lew Wood (3 out of 3 patents)

4. Errol P Eer Nisse (1 out of 1 patent)

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