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Frederick, MD, United States of America

Frederick Electronics Corporation

USPTO Granted Patents = 9

Forward Citations = 126

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17 inventors (with patents filed for the assignee):

John J Bowerman (3 out of 3 patents)

John W Spaniol (3 out of 3 patents)

Marvin K Perlman (2 out of 11 patents)

4. John F Wilson (2 out of 2 patents)

5. Jack L Woodell (2 out of 3 patents)

6. Larry C Bieber (2 out of 2 patents)

7. Julius A Barthelme (2 out of 2 patents)

8. Ronald E Tollum (1 out of 4 patents)

9. J Howard Leveque (1 out of 2 patents)

10. William A Moshier (1 out of 1 patent)

11. Philip K Hammond (1 out of 1 patent)

12. Edward D Hoover (1 out of 1 patent)

13. Robert S McKeen (1 out of 1 patent)

14. Kenneth S Keefer (1 out of 1 patent)

15. Theodore E Sawyer (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 4418318 - Digital phase-locked loop circuit (1983-11-29),

2. 4355403 - Teletypewriter line keyer with switching current regulator (1982-10-19),

3. 4317209 - FSK Tone generator circuit (1982-02-23),

4. 4292465 - Distributed processing telex exchange (1981-09-29),

5. 4291196 - Circuit for handling conversation data in a distributed processing telex (1981-09-22),

6. 4288658 - Apparatus for generating telex signaling sequences in a distributed (1981-09-08),

7. 4272141 - Electronic card cage interfacing assembly (1981-06-09),

8. 4210777 - Pseudo-transparent stop bit generator (1980-07-01),

9. 4107612 - Phase locked loop exciter generator for high frequency transmitter (1978-08-15),

Frederick Electronics Corporation is a leading provider of high-quality electronic components and solutions. With over 20 years of experience in the industry, we specialize in designing and manufacturing innovative products for a wide range of applications. Our commitment to quality and customer satisfaction sets us apart from the competition. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

9 Patents

#11 in Frederick, MD

#438 in Maryland

#31,613 in US

Frederick, MD, United States of America

Frederick Electronics Corporation

Forward Citations = 126

17 inventors:

John J Bowerman (3 out of 3 patents)

John W Spaniol (3 out of 3 patents)

Marvin K Perlman (2 out of 11 patents)

4. John F Wilson (2 out of 2 patents)

5. Jack L Woodell (2 out of 3 patents)

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