Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8374911 | Vehicle usage-based tolling privacy protection architecture | Mathieu J. R. Glachant, Rick A. Hamilton, II, Gary Paul Noble, Brian M. O'Connell, James W. Seaman | 2013-02-12 |
| 8200529 | Random and deterministic travel fees | Rick A. Hamilton, II, Colin G. Harrison, James W. Seaman | 2012-06-12 |
| 8055534 | Variable rate travel fee based upon vehicle occupancy | Duncan A. Ashby, Rick A. Hamilton, II, Colin Fung Wan Lim, James W. Seaman, Vinodh K. Swaminathan | 2011-11-08 |
| 7979292 | Travel fee rate setting based upon travel mode and convenience | Rick A. Hamilton, II, James W. Seaman | 2011-07-12 |
| 7969325 | Preemptive variable rate travel fees | Rick A. Hamilton, II, Colin Fung Wan Lim, Benjamin G. Morris, James W. Seaman, Vinodh K. Swaminathan | 2011-06-28 |