Growing community of inventors

Watkinsville, GA, United States of America

Marvin R Hamrick

Average Co-Inventor Count = 2.64

ph-index = 15

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 = 892

Marvin R HamrickSteven G Smith (14 patents)Marvin R HamrickR T Mitchell Ingman (12 patents)Marvin R HamrickMitchell E Davis (9 patents)Marvin R HamrickRoland T Morton, Jr (9 patents)Marvin R HamrickRobert H Willis, Jr (9 patents)Marvin R HamrickJeffery A Sylvester (9 patents)Marvin R HamrickRobert M Ingman (5 patents)Marvin R HamrickCharles E Reddick (5 patents)Marvin R HamrickJerry R Timko (2 patents)Marvin R HamrickJerome R Timko (1 patent)Marvin R HamrickRt Mitchell Ingman (1 patent)Marvin R HamrickMarvin R Hamrick (31 patents)Steven G SmithSteven G Smith (36 patents)R T Mitchell IngmanR T Mitchell Ingman (13 patents)Mitchell E DavisMitchell E Davis (23 patents)Roland T Morton, JrRoland T Morton, Jr (22 patents)Robert H Willis, JrRobert H Willis, Jr (19 patents)Jeffery A SylvesterJeffery A Sylvester (11 patents)Robert M IngmanRobert M Ingman (26 patents)Charles E ReddickCharles E Reddick (6 patents)Jerry R TimkoJerry R Timko (2 patents)Jerome R TimkoJerome R Timko (2 patents)Rt Mitchell IngmanRt Mitchell Ingman (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. At&t Intellectual Property I, L.p. (14 from 16,481 patents)

2. Bellsouth Intellectual Property Corporation (11 from 987 patents)

3. At&t Delaware Intellectual Property Corporation, Inc. (2 from 178 patents)

4. At&t Bls Intellectual Property, Inc (2 from 96 patents)

5. Other (1 from 832,718 patents)

6. At&t Mobility Ii LLC (1 from 2,866 patents)


31 patents:

1. 9734698 - G.P.S. management system

2. 9652973 - Apparatus, systems, and methods for processing alerts relating to an in-vehicle control unit

3. 8781645 - Apparatus, systems, and methods for processing alerts relating to an in-vehicle control unit

4. 8725344 - G.P.S. management system

5. 8478453 - Apparatus, systems, and methods for processing alerts relating to an in-vehicle control unit

6. 8271162 - G.P.S. management system

7. 8135540 - Methods and systems for determining a telecommunications service location using global satellite positioning

8. 8010251 - G.P.S. management system

9. 7932857 - GPS for communications facility records

10. 7725218 - G.P.S. management system

11. 7647172 - Methods and systems for determining a telecommunications service location using global satellite positioning

12. 7599793 - Methods and systems for routing travel between origin and destination service locations using global satellite positioning

13. 7586442 - GPS for communications facility records

14. 7577525 - G.P.S. management system

15. 7460954 - G. P. S. management system

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as of
12/12/2025
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