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Forward Citations = 304

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9 inventors (with patents filed for the assignee):

Donald R Casady (3 out of 3 patents)

Lee V Dively (3 out of 3 patents)

Donald W Wortman (2 out of 2 patents)

4. Paul S Dara (2 out of 3 patents)

5. Jack M Grubbs (2 out of 2 patents)

6. Dan Kesner Carter (1 out of 2 patents)

7. Ioan V Teodorescu (1 out of 1 patent)

8. Chuck D Khuat (1 out of 1 patent)

9. Cecil L Suter (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 5237480 - Apparatus for fault detection and isolation (1993-08-17),

2. 5138658 - Subscriber line interface circuit providing regulated current (1992-08-11),

3. 5133006 - Combination interface circuit for coupling a digital loop carrier (1992-07-21),

4. 5119379 - Method and apparatus for fault reporting (1992-06-02),

5. 4980887 - Digital communication apparatus and method (1990-12-25),

6. 4908819 - Integrated data voice multiplexer supporting handshake and loop-back (1990-03-13),

7. 4768227 - Coil operated telephone (1988-08-30),

8. 4759009 - Remote digital carrier alarm and terminal by-pass system (1988-07-19),

9. 4698840 - Coin operated telephone (1987-10-06),

10. 4663580 - Sealed lead-acid battery float charger and power supply (1987-05-05),

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USPTO Data Jan 1 1976 - Dec 16 2025

10 Patents

#56 in Tulsa, OK

#139 in Oklahoma

#28,952 in US

#54,268 in the World

Tulsa, OK, United States of America

Seiscor Technologies