For the Inventor, By the Inventor

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Lakeland, FL, United States of America

Protel, Inc.

USPTO Granted Patents = 24

% Expired Patents = 8.3

Forward Citations = 437

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19 inventors (with patents filed for the assignee):

Stephen J Hayes (6 out of 6 patents)

Regis B Mellon (4 out of 7 patents)

Gary Lee Stirk (3 out of 14 patents)

4. James H Campbell, Iv (3 out of 3 patents)

5. William E Pinnell (3 out of 3 patents)

6. Shahram Afshar-Ghochani (3 out of 3 patents)

7. David M Tumey (2 out of 49 patents)

8. R William Graham (2 out of 7 patents)

9. Rolf Meyer (2 out of 2 patents)

10. Kenneth L Bryan (2 out of 2 patents)

11. Raymond F Felch (2 out of 2 patents)

12. Tony L McBride (2 out of 2 patents)

13. Patrick R Gorman (2 out of 2 patents)

14. Gerald J Yachabach (2 out of 4 patents)

15. Tony Xu (1 out of 4 patents)

24 patents: Sort by Forward Citations

1. 7239694 - Integrated circuit configurations and methods for providing functions for public telephones (2007-07-03),

2. 6850607 - Intelligent vending system and method (2005-02-01),

3. 6625267 - Billing system (2003-09-23),

4. 6301344 - Intelligent public telephone system and method (2001-10-09),

5. D430149 - Handset cable plate for a pay telephone (2000-08-29),

6. D429712 - Front face bezel for a pay telephone (2000-08-22),

7. D429711 - Pay telephone (2000-08-22),

8. 5903629 - Apparatus and method for automated audio teleconferencing having (1999-05-11),

9. 5841847 - Billing system (1998-11-24),

10. 5828743 - Apparatus and method for automated audio teleconferencing having (1998-10-27),

11. 5719928 - Apparatus and method for automated audio teleconferencing having (1998-02-17),

12. 5687830 - Item discrimination apparatus and method (1997-11-18),

13. D375953 - Telephone card reader console (1996-11-26),

14. 5568854 - Coin discrimination method (1996-10-29),

15. 5430797 - Coin return cover (1995-07-04),

Protel, Inc. is a technology-focused company based in Lakeland, Florida, specializing in advanced communication solutions and software development. The organization is dedicated to enhancing connectivity and operational efficiency across various sectors, including telecommunications and data management. Protel's innovative products are designed to meet the evolving needs of businesses, ensuring reliable and effective communication systems that support both local and global operations.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

24 Patents

#3 in Lakeland, FL

#354 in Florida

#13,872 in US

#26,628 in the World

Lakeland, FL, United States of America

Protel, Inc.

Forward Citations = 437

19 inventors:

Stephen J Hayes (6 out of 6 patents)

Regis B Mellon (4 out of 7 patents)

Gary Lee Stirk (3 out of 14 patents)

4. James H Campbell, Iv (3 out of 3 patents)

5. William E Pinnell (3 out of 3 patents)

Please report any incorrect information to [email protected]

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