For the Inventor, By the Inventor

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Cedar Rapids, IA, United States of America

Link USA Corp.

USPTO Granted Patents = 16

Forward Citations = 1,329

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13 inventors (with patents filed for the assignee):

Steven J Hogan (16 out of 22 patents)

Kristi T Feltz (16 out of 22 patents)

Douglas R Murdock (16 out of 22 patents)

4. David J Vercande (9 out of 12 patents)

5. Eric M Busch (9 out of 14 patents)

6. Keith E Smith (9 out of 18 patents)

7. Todd A Goodman (7 out of 10 patents)

8. Michael R Tangeman (7 out of 10 patents)

9. Raghavan Kripakaran (5 out of 8 patents)

10. Madhigubba G Jayasimha (5 out of 8 patents)

11. Mark A Austin (5 out of 9 patents)

12. Dana Bruce Berry (5 out of 8 patents)

13. Roy A Rhodes (2 out of 2 patents)

16 patents: Sort by Forward Citations

1. 6263372 - Method and apparatus for interfacing two or more applications in a client server (2001-07-17),

2. 6016343 - Call-processing system and method (2000-01-18),

3. 5903637 - System and method for call conferencing (1999-05-11),

4. 5873099 - System and method for maintaining redundant databases (1999-02-16),

5. 5867566 - Real-time billing system for a call processing system (1999-02-02),

6. 5854833 - Processing using DEF records (1998-12-29),

7. 5799156 - System for determining an alternative application to receive message (1998-08-25),

8. 5646982 - System and method for message delivery (1997-07-08),

9. 5638430 - Call validation system (1997-06-10),

10. 5633919 - Real-time billing system for a call processing system (1997-05-27),

11. 5619554 - Distributed voice system and method (1997-04-08),

12. 5615251 - Real-time reconfiguration (1997-03-25),

13. 5590181 - Call-processing system and method (1996-12-31),

14. 5586175 - Call-processing system and method (1996-12-17),

15. 5546449 - System and method for call conferencing (1996-08-13),

Link USA Corp. is a leading provider of high-quality networking solutions for businesses in the United States. With a focus on innovation and reliability, we offer a range of products and services including data cabling, network infrastructure, and IT support. Our team of professionals are dedicated to helping our clients achieve their technology goals and ensure seamless connectivity. Visit our website to learn more about how Link USA Corp. can help your business thrive in the digital age.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

16 Patents

#9 in Cedar Rapids, IA

#110 in Iowa

#19,280 in US

#36,651 in the World

Cedar Rapids, IA, United States of America

Link USA Corp.

Forward Citations = 1,329

13 inventors:

Steven J Hogan (16 out of 22 patents)

Kristi T Feltz (16 out of 22 patents)

Douglas R Murdock (16 out of 22 patents)

4. David J Vercande (9 out of 12 patents)

5. Eric M Busch (9 out of 14 patents)

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