|
| US3988570 | 10. Jan. 1975 | 26. Okt. 1976 | Endyn Industries Ltd. | Controlled access and automatic revenue reporting system |
| US4173010 | 1. Mai 1975 | 30. Okt. 1979 | | Traffic sign and improved system for recording vehicle speed |
| US4360796 | 9. März 1981 | 23. Nov. 1982 | | Register-gate system |
| US4493103 | 23. Apr. 1982 | 8. Jan. 1985 | Mitsubishi Jukogyo Kabushiki Kaisha | Automatic toll-ticket issuing apparatus |
| US5066950 | 27. Apr. 1989 | 19. Nov. 1991 | Driver Safety Systems Ltd. | Traffic safety monitoring apparatus |
| US5083200 | 2. Apr. 1990 | 21. Jan. 1992 | Elsydel | Method for identifying objects in motion, in particular vehicles, and systems for its implementation |
| US6752254 | 31. Mai 2002 | 22. Juni 2004 | Jim Allen | Redundant coin processing system for automatic coin machines |
| US7764197 | 28. Jan. 2008 | 27. Juli 2010 | United Toll Systems, Inc. | System and synchronization process for inductive loops in a multilane environment |
| US7925440 | 17. Juni 2010 | 12. Apr. 2011 | United Toll Systems, Inc. | Multilane vehicle information capture system |
| US7952021 | 5. Mai 2008 | 31. Mai 2011 | United Toll Systems, Inc. | System and method for loop detector installation |
| US8135614 | 26. Apr. 2010 | 13. März 2012 | United Toll Systems, Inc. | Multiple RF read zone system |