For the Inventor, By the Inventor

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Rolling Meadows, IL, United States of America

Edison International, Inc.

USPTO Granted Patents = 19

Trademarks = 15

Forward Citations = 139

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22 inventors (with patents filed for the assignee):

James J Fitzgerald (2 out of 9 patents)

Hemming G Siiberg (2 out of 7 patents)

George M Lucas (1 out of 34 patents)

4. Robert A Powell (1 out of 9 patents)

5. Joseph A Wucik, Jr (1 out of 4 patents)

6. Hasan F Onal (1 out of 7 patents)

7. Nickolas P Demas (1 out of 12 patents)

8. Richard DuBois (1 out of 9 patents)

9. Thomas E Mayer (1 out of 3 patents)

10. John N Story (1 out of 1 patent)

11. William J Oakes (1 out of 1 patent)

12. Salvatore F Cortorillo (1 out of 3 patents)

13. John D Warnock (1 out of 1 patent)

14. Lester M Anderson (1 out of 1 patent)

15. John W Kolditz (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 4517542 - Voltage and temperature compensated time delay relay (1985-05-14),

2. 4508315 - Bidirectional valve seal (1985-04-02),

3. 4492895 - Arc resistant halogen headlamp and wiring scheme therefor (1985-01-08),

4. 4491358 - Clamp (1985-01-01),

5. 4431369 - Governor control linkage assembly for overspeed protection of turbines (1984-02-14),

6. 4410830 - Vacuum fluorescent display device with substrate including a metal plate (1983-10-18),

7. 4402134 - Method of making an integrated display device (1983-09-06),

8. 4391847 - Coating for halogen lamps (1983-07-05),

9. 4389160 - High speed centrifugal pump and method for operating same at reduced (1983-06-21),

10. 4385257 - Lamp base (1983-05-24),

11. 4378104 - Fluid-pressure-loaded seal for butterfly valves (1983-03-29),

12. 4367433 - Self ballasted lamp for automotive, aircraft runway, etc. lighting (1983-01-04),

13. 4363085 - Scan synthesized beam headlamp (1982-12-07),

14. 4360861 - Baseless lamp socket (1982-11-23),

15. 4356365 - Air operated DC switch (1982-10-26),

Edison International is a public utility holding company based in Rosemead, California. It operates through its subsidiaries, Southern California Edison and Edison Energy. Southern California Edison is one of the largest electric utilities in the United States, serving millions of customers in Southern California. Edison Energy provides energy management and consulting services to commercial and industrial customers nationwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

19 Patents

#9 in Rolling Meadows, IL

#844 in Illinois

#16,592 in US

#31,670 in the World

Rolling Meadows, IL, United States of America

Edison International, Inc.

Forward Citations = 139

22 inventors:

James J Fitzgerald (2 out of 9 patents)

Hemming G Siiberg (2 out of 7 patents)

George M Lucas (1 out of 34 patents)

4. Robert A Powell (1 out of 9 patents)

5. Joseph A Wucik, Jr (1 out of 4 patents)

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