Growing community of inventors

Dallas, TX, United States of America

John A Hird

Average Co-Inventor Count = 2.64

ph-index = 13

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 594

John A HirdLindsey D Owen (13 patents)John A HirdMichael R Rice (12 patents)John A HirdMark E Kerr (5 patents)John A HirdTodd J Betz (2 patents)John A HirdB Michael Adler (1 patent)John A HirdJohn A Renfro (1 patent)John A HirdRay S Naeini (1 patent)John A HirdJohn A Hird (20 patents)Lindsey D OwenLindsey D Owen (15 patents)Michael R RiceMichael R Rice (12 patents)Mark E KerrMark E Kerr (5 patents)Todd J BetzTodd J Betz (3 patents)B Michael AdlerB Michael Adler (4 patents)John A RenfroJohn A Renfro (1 patent)Ray S NaeiniRay S Naeini (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Intellicall, Inc. (17 from 23 patents)

2. First City, Texas-Dallas (3 from 3 patents)

3. Michael R. Rice (0 patent)

4. Lindsey D. Owen (0 patent)

5. John a. Hird (0 patent)

6. New First City, Texas-Dallas, N.a. (0 patent)

7. First Interstate Bank of Texas, N.a. (0 patent)

8. Wireless Webconnect!, Inc. (0 patent)


20 patents:

1. 5960072 - Method and apparatus for altering the access format of telephone calls

2. 5513738 - Coin handling system

3. 5483581 - Method and apparatus for performing an automated collect call

4. 5441138 - Coin handling system with an improved coin chute

5. 5400400 - Pay telephone architecture

6. 5388680 - Coin handling system with an improved coin chute

7. 5367561 - Cash access system and method of operation

8. 5319701 - Method and apparatus for performing an automated collect call

9. D342251 - Pay telephone unit

10. 5255770 - Coin handling system

11. 5131027 - Short time validity storage

12. 5113433 - Method and apparatus for altering the access format of telephone calls

13. 5093858 - Method and apparatus for performing an automated collect call

14. 5090548 - Coin handling system

15. 4933966 - Method and apparatus for performing an automated collect call

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as of
1/9/2026
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