For the Inventor, By the Inventor

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Herndon, VA, United States of America

International Telesystems Corporation

USPTO Granted Patents = 16

CIPO Patents = 1

Forward Citations = 572

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13 inventors (with patents filed for the assignee):

Bruno A Rist (4 out of 8 patents)

Adrian J DeVries (4 out of 4 patents)

James J Frimmel, Jr (4 out of 4 patents)

4. Richard N Deglin (3 out of 3 patents)

5. Thomas Ouellette (3 out of 3 patents)

6. John Ramsay (2 out of 2 patents)

7. Dzu-Wan Syu (2 out of 2 patents)

8. Alan R Trefzger (2 out of 4 patents)

9. Bassem M Girgis (1 out of 1 patent)

10. Thomas Quellette (1 out of 1 patent)

11. Charles A Baldi (1 out of 1 patent)

12. Douglas A Samuelson (1 out of 1 patent)

13. Lester A Potter (1 out of 1 patent)

14. Devries Adrian J (0 patent)

15. Rist Bruno A (0 patent)

16 patents: Sort by Forward Citations

1. 5446795 - Universal decoder for television signal scramble systems (1995-08-29),

2. 5425093 - System for integrating a stand alone inbound automatic call distributor (1995-06-13),

3. 5327491 - Method for pacing calls to reduce nuisance calls (1994-07-05),

4. 5235640 - Master decoder for television signal scramble systems (1993-08-10),

5. 5179589 - Call progress pacing (1993-01-12),

6. 5007000 - Classification of audio signals on a telephone line (1991-04-09),

7. 4933964 - Pacing of telephone calls for call origination management systems (1990-06-12),

8. 4903297 - Restricted access television transmission system (1990-02-20),

9. 4894827 - Redundancy and buffering circuits (1990-01-16),

10. 4875157 - Alternate memory addressing for information storage and retrieval (1989-10-17),

11. 4864605 - Telephone trunk interface circuit (1989-09-05),

12. 4858120 - System for regulating arrivals of customers to servers (1989-08-15),

13. 4829514 - Digital voice recording and reproduction and telephone network (1989-05-09),

14. 4825467 - Restricted access television transmission system (1989-04-25),

15. 4817130 - Call management system with protocol converter and port controller (1989-03-28),

International Telesystems Corporation, based in Herndon, Virginia, specializes in advanced telecommunications solutions and services. The company focuses on developing innovative technologies that enhance communication systems, including satellite and wireless communications. With a commitment to research and development, International Telesystems aims to address the evolving needs of the telecommunications industry, providing reliable and efficient solutions for both commercial and government sectors.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#13 in Herndon, VA

#332 in Virginia

#19,907 in US

#37,788 in the World

Herndon, VA, United States of America

International Telesystems Corporation

Forward Citations = 572

13 inventors:

Bruno A Rist (4 out of 8 patents)

Adrian J DeVries (4 out of 4 patents)

James J Frimmel, Jr (4 out of 4 patents)

4. Richard N Deglin (3 out of 3 patents)

5. Thomas Ouellette (3 out of 3 patents)

Please report any incorrect information to [email protected]

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