For the Inventor, By the Inventor

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Scottsdale, AZ, United States of America

Dbx Corporation

USPTO Granted Patents = 33

Trademarks = 4

Forward Citations = 550

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18 inventors (with patents filed for the assignee):

David E Blackmer (11 out of 17 patents)

David R Welland (8 out of 8 patents)

Robert W Adams (5 out of 78 patents)

4. C Rene Jaeger (5 out of 5 patents)

5. Herbert E Cooper (3 out of 3 patents)

6. Mark F Davis (3 out of 3 patents)

7. Josef P deFazekas (2 out of 2 patents)

8. Earl D Smith (2 out of 18 patents)

9. Daniel B Talbot (2 out of 5 patents)

10. Leslie B Tyler (2 out of 2 patents)

11. Keith O Johnson (1 out of 1 patent)

12. John deS Mosely (1 out of 1 patent)

13. Lawrence E Blakely (1 out of 1 patent)

14. Gary Bergstrom (1 out of 1 patent)

15. Joseph R Aylward (1 out of 1 patent)

33 patents: Sort by Forward Citations

1. 5016912 - Trailer suspension apparatus (1991-05-21),

2. 4934733 - Trailer suspension apparatus (1990-06-19),

3. 4878691 - Trailer suspension apparatus (1989-11-07),

4. 4588979 - Analog-to-digital converter (1986-05-13),

5. 4539526 - Adaptive signal weighting system (1985-09-03),

6. 4503554 - Stereophonic balance control system (1985-03-05),

7. 4503553 - Loudspeaker system (1985-03-05),

8. 4473793 - Bias generator (1984-09-25),

9. 4471324 - All NPN variably controlled amplifier (1984-09-11),

10. 4467287 - Signal expander (1984-08-21),

11. 4454433 - Multiplier circuit (1984-06-12),

12. 4445053 - Square law charger (1984-04-24),

13. 4434380 - Compensation for VCA OP amp errors (1984-02-28),

14. 4430626 - Networks for the log domain (1984-02-07),

15. 4425551 - Differential amplifier stage having bias compensating means (1984-01-10),

Dbx Corporation is a leading provider of innovative technology solutions for businesses. With a diverse portfolio of products and services, Dbx helps organizations optimize their operations and achieve their strategic goals. Our team of experts is dedicated to delivering exceptional results and driving growth for our clients. Visit our website to learn more about our solutions and how we can help your business succeed.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

33 Patents

#30 in Scottsdale, AZ

#125 in Arizona

#9,948 in US

#19,556 in the World

Scottsdale, AZ, United States of America

Dbx Corporation

Forward Citations = 550

18 inventors:

David E Blackmer (11 out of 17 patents)

David R Welland (8 out of 8 patents)

Robert W Adams (5 out of 78 patents)

4. C Rene Jaeger (5 out of 5 patents)

5. Herbert E Cooper (3 out of 3 patents)

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