|
| US3988570 | 10 Jan 1975 | 26 Oct 1976 | Endyn Industries Ltd. | Controlled access and automatic revenue reporting system |
| US4173010 | 1 May 1975 | 30 Oct 1979 | | Traffic sign and improved system for recording vehicle speed |
| US4360796 | 9 Mar 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 May 2002 | 22 Jun 2004 | Jim Allen | Redundant coin processing system for automatic coin machines |
| US7764197 | 28 Jan 2008 | 27 Jul 2010 | United Toll Systems, Inc. | System and synchronization process for inductive loops in a multilane environment |
| US7925440 | 17 Jun 2010 | 12 Apr 2011 | United Toll Systems, Inc. | Multilane vehicle information capture system |
| US7952021 | 5 May 2008 | 31 May 2011 | United Toll Systems, Inc. | System and method for loop detector installation |
| US8135614 | 26 Apr 2010 | 13 Mar 2012 | United Toll Systems, Inc. | Multiple RF read zone system |
