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 leading technology company specializing in developing innovative software solutions for the hospitality industry. With over 20 years of experience, Protel has established itself as a trusted partner for hotels, resorts, and other hospitality businesses around the world. Their comprehensive suite of products includes property management systems, customer relationship management tools, and mobile solutions that streamline operations and enhance guest experiences.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

24 Patents

#3 in Lakeland, FL

#352 in Florida

#13,841 in US

#26,555 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)

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