Forward Citations = 53

Loading Chart...

5 inventors (with patents filed for the assignee):

George D Rehklau (4 out of 5 patents)

J Carl Cooper (2 out of 12 patents)

Lee A Cotterill (2 out of 4 patents)

4. Robert Z Langevin (2 out of 2 patents)

5. John P Yu (2 out of 2 patents)

6 patents: Sort by Forward Citations

1. 4872070 - System and method for high speed video tape reproduction (1989-10-03),

2. 4866543 - Multiple slave video tape reproduction system (1989-09-12),

3. 4589608 - Cassette loading apparatus (1986-05-20),

4. 4512527 - Cassette loading apparatus (1985-04-23),

5. 4387843 - Loop bin for magnetic tape recording apparatus (1983-06-14),

6. 4113196 - Magnetic tape cartridge loading apparatus (1978-09-12),

Company Overview

Electro-sound, Inc. is a leading provider of high-quality audio equipment and solutions for professionals and enthusiasts. With a focus on innovation and design, we offer a wide range of products including speakers, headphones, amplifiers, and more. Our goal is to provide our customers with the best audio experience possible, whether for music, movies, or gaming. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#431 in Sunnyvale, CA

#10,570 in California

#44,981 in US

Sunnyvale, CA, United States of America

Electro-Sound, Inc.

Forward Citations = 53

5 inventors:

George D Rehklau (4 out of 5 patents)

J Carl Cooper (2 out of 12 patents)

Lee A Cotterill (2 out of 4 patents)

4. Robert Z Langevin (2 out of 2 patents)

5. John P Yu (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Electro-Sound, Inc.. Retrieved from https://idiyas.com/company/electro-sound

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]