Enter assignee name

Trademarks = 3

Forward Citations = 248

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3 inventors (with patents filed for the assignee):

Louis W Schornack (4 out of 12 patents)

Richard M Goldstein (3 out of 19 patents)

Norman A Ackerman (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 5055703 - Load protection circuit (1991-10-08),

2. 5053910 - Surge suppressor for coaxial transmission line (1991-10-01),

3. 4956563 - Standby power supply (1990-09-11),

4. 4890005 - Standby power supply line voltage fault detector (1989-12-26),

5. 4890002 - Line voltage fault detector for appliance protection (1989-12-26),

6. 4808495 - Shock-protected battery cover assembly (1989-02-28),

7. 4587588 - Power line transient surge suppressor (1986-05-06),

8. 4398647 - Temporary mounting means for multiple outlet strip (1983-08-16),

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#389 in Chicago, IL

#1,641 in Illinois

#34,851 in US

Chicago, IL, United States of America

Perma Power Electronics, Inc.

Forward Citations = 248

3 inventors:

Louis W Schornack (4 out of 12 patents)

Richard M Goldstein (3 out of 19 patents)

Norman A Ackerman (1 out of 1 patent)

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