CC

Charles R. Chamberlain

US United States Postal Service: 12 patents #45 of 464Top 10%
AE American Express: 1 patents #950 of 1,774Top 55%
📍 Arlington, VA: #115 of 1,838 inventorsTop 7%
🗺 Virginia: #2,230 of 34,511 inventorsTop 7%
Overall (All Time): #379,929 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9864997 Systems and methods for soliciting secondary information while maintaining access to primary information 2018-01-09
9634843 Apparatus and methods for the secure transfer of electronic data Bradley Reck 2017-04-25
9444625 Systems and methods for authenticating an electronic message Leo J. Campbell, Jon L. Cook, Michael J. McGrath, Isadore Schoen 2016-09-13
8484479 Systems and methods for authenticating an electronic message Leo J. Campbell, Jon L. Cook, Michael J. McGrath, Isadore Schoen 2013-07-09
8417958 Systems and methods for electronic postmarking of data including location data 2013-04-09
8095797 Systems and methods for authenticating an electronic message Leo J. Campbell, Jon L. Cook, Michael J. McGrath, Isadore Schoen 2012-01-10
7991652 System and method for tracking a product 2011-08-02
7797543 Systems and methods for authenticating an electronic message Leo J. Campbell, Jon L. Cook, Michael J. McGrath, Isadore Schoen 2010-09-14
7779481 Systems and methods for electronic postmarking of data including location data 2010-08-17
7451915 Systems and methods for electronic postmarking including ancillary data background 2008-11-18
7266696 Electronic postmarking without directly utilizing an electronic postmark server 2007-09-04
7121455 Systems and methods for electronic postmarking including ancillary data 2006-10-17
6044247 Methods and apparatus for paging systems John M. Taskett 2000-03-28