Growing community of inventors

Arlington, VA, United States of America

Charles R Chamberlain

Average Co-Inventor Count = 1.48

ph-index = 5

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 = 110

Charles R ChamberlainJon L Cook (4 patents)Charles R ChamberlainLeo J Campbell (4 patents)Charles R ChamberlainMichael J McGrath (4 patents)Charles R ChamberlainIsadore Schoen (4 patents)Charles R ChamberlainJohn M Taskett (1 patent)Charles R ChamberlainBradley A Reck (1 patent)Charles R ChamberlainMichael J Mcgrath (0 patent)Charles R ChamberlainCharles R Chamberlain (13 patents)Jon L CookJon L Cook (17 patents)Leo J CampbellLeo J Campbell (15 patents)Michael J McGrathMichael J McGrath (5 patents)Isadore SchoenIsadore Schoen (5 patents)John M TaskettJohn M Taskett (9 patents)Bradley A ReckBradley A Reck (5 patents)Michael J McgrathMichael J Mcgrath (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. United States Postal Service (12 from 745 patents)

2. American Express Travel Related Services Company, Inc. (1 from 1,455 patents)


13 patents:

1. 9864997 - Systems and methods for soliciting secondary information while maintaining access to primary information

2. 9634843 - Apparatus and methods for the secure transfer of electronic data

3. 9444625 - Systems and methods for authenticating an electronic message

4. 8484479 - Systems and methods for authenticating an electronic message

5. 8417958 - Systems and methods for electronic postmarking of data including location data

6. 8095797 - Systems and methods for authenticating an electronic message

7. 7991652 - System and method for tracking a product

8. 7797543 - Systems and methods for authenticating an electronic message

9. 7779481 - Systems and methods for electronic postmarking of data including location data

10. 7451915 - Systems and methods for electronic postmarking including ancillary data background

11. 7266696 - Electronic postmarking without directly utilizing an electronic postmark server

12. 7121455 - Systems and methods for electronic postmarking including ancillary data

13. 6044247 - Methods and apparatus for paging systems

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