For the Inventor, By the Inventor

Enter assignee name

Buchanan, MI, United States of America

Electro-Voice, Inc.

USPTO Granted Patents = 32

Forward Citations = 754

Loading Chart...

Loading Chart...

19 inventors (with patents filed for the assignee):

Alan R Watson (7 out of 37 patents)

Kent H Frye (4 out of 4 patents)

Rudolph H Engelmann (4 out of 4 patents)

4. Michael A Bryson (3 out of 23 patents)

5. David E Carlson (3 out of 3 patents)

6. David W Gunness (3 out of 3 patents)

7. Paul F Fidlin (2 out of 2 patents)

8. Wayne J Kooy (2 out of 6 patents)

9. Gary T Ewald (2 out of 2 patents)

10. Gregory D Jackson (2 out of 2 patents)

11. Douglas J Button (1 out of 35 patents)

12. Thomas C Lininger (1 out of 1 patent)

13. D Broadus Keele, Jr (1 out of 1 patent)

14. Robert C Ramsey (1 out of 1 patent)

15. Lee Hagey (1 out of 1 patent)

32 patents: Sort by Forward Citations

1. 5020630 - Loudspeaker and horn therefor (1991-06-04),

2. 4984278 - Adjustable mount for a loudspeaker (1991-01-08),

3. 4933975 - Dynamic loudspeaker for producing high audio power (1990-06-12),

4. 4923031 - High output loudspeaker system (1990-05-08),

5. 4824715 - Engraving process and product thereof (1989-04-25),

6. 4779035 - End of charge detector (1988-10-18),

7. 4775766 - Tapped transformer/switch assembly (1988-10-04),

8. 4745020 - Engraved plastic article (1988-05-17),

9. 4733749 - High output loudspeaker for low frequency reproduction (1988-03-29),

10. 4718517 - Loudspeaker and acoustic transformer therefor (1988-01-12),

11. 4717889 - Power control system for periodically and selectively energizing or (1988-01-05),

12. 4716353 - Battery charger (1987-12-29),

13. 4685532 - Constant directivity loudspeaker horn (1987-08-11),

14. 4685137 - Microphone with non-symmetrical directivity pattern (1987-08-04),

15. 4673888 - Power control system (1987-06-16),

Electro-voice, Inc. is a leading manufacturer of professional audio equipment, including microphones, loudspeakers, amplifiers, and digital signal processing products. With a rich history dating back to 1927, Electro-voice has been trusted by audio professionals around the world for their innovative and high-quality products. They serve a wide range of industries, including live sound reinforcement, broadcasting, recording studios, and installed sound systems.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

32 Patents

#2 in Buchanan, MI

#396 in Michigan

#10,575 in US

#20,620 in the World

Buchanan, MI, United States of America

Electro-Voice, Inc.

Forward Citations = 754

19 inventors:

Alan R Watson (7 out of 37 patents)

Kent H Frye (4 out of 4 patents)

Rudolph H Engelmann (4 out of 4 patents)

4. Michael A Bryson (3 out of 23 patents)

5. David E Carlson (3 out of 3 patents)

Please report any incorrect information to [email protected]

Loading…