For the Inventor, By the Inventor

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Chicago, IL, United States of America

Warwick Electronics Inc.

USPTO Granted Patents = 15

Forward Citations = 168

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15 inventors (with patents filed for the assignee):

Alden J Carlson (3 out of 6 patents)

John R Brand (2 out of 2 patents)

Roman A Adams (1 out of 3 patents)

4. Patrick S Roberts (1 out of 8 patents)

5. Richard Avicola (1 out of 2 patents)

6. William R Weissmueller, Jr (1 out of 4 patents)

7. Joseph E Josephs (1 out of 2 patents)

8. Donald Herbert Larson (1 out of 1 patent)

9. Byron Melcher (1 out of 2 patents)

10. Richard L Wilocki (1 out of 1 patent)

11. David J Mate (1 out of 3 patents)

12. Donald Bernard Koepke (1 out of 2 patents)

13. John F Kulkens (1 out of 2 patents)

14. Raymond T Kostecki (1 out of 2 patents)

15. Howard B Kaplan (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 4059039 - Electrical musical instrument with chord generation (1977-11-22),

2. 4046047 - Note selector circuit for electronic musical instrument (1977-09-06),

3. 4031786 - Tone selector circuit with multiplexed tone data transfer (1977-06-28),

4. 4019417 - Electrical musical instrument with chord generation (1977-04-26),

5. 3984631 - Automatic peaking control circuit for low level T.V. signal reception (1976-10-05),

6. 3961267 - Channel selecting control system for television tuner including unused (1976-06-01),

7. 3960043 - Filter circuit (1976-06-01),

8. 3954318 - Electrical connector (1976-05-04),

9. 3954038 - Electrical musical instrument with automatic sequential tone generation (1976-05-04),

10. 3948139 - Electronic synthesizer with variable/preset voice control (1976-04-06),

11. 3944884 - Adjustable pincushion correction circuit (1976-03-16),

12. 3941024 - Electrical musical instrument with automatic sequential tone generation (1976-03-02),

13. 3935784 - Double touch key for musical instruments (1976-02-03),

14. 3931567 - DC power supply with load current regulation (1976-01-06),

15. 3931467 - Synchronizing circuit having a variable bandpass filter (1976-01-06),

Warwick Electronics Inc. is a leading provider of electronic components and solutions for a wide range of industries. With a focus on innovation and quality, we offer cutting-edge products such as sensors, connectors, and power supplies. Our expertise and dedication to customer satisfaction have made us a trusted partner for businesses around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

15 Patents

#232 in Chicago, IL

#1,023 in Illinois

#20,411 in US

#38,698 in the World

Chicago, IL, United States of America

Warwick Electronics Inc.

Forward Citations = 168

15 inventors:

Alden J Carlson (3 out of 6 patents)

John R Brand (2 out of 2 patents)

Roman A Adams (1 out of 3 patents)

4. Patrick S Roberts (1 out of 8 patents)

5. Richard Avicola (1 out of 2 patents)

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