| 8044823 |
Systems and method for monitoring and controlling a vehicle travel surface |
John A. Doherty |
2011-10-25 |
| 7839301 |
Surface condition sensing and treatment systems, and associated methods |
John A. Doherty |
2010-11-23 |
| 7683804 |
Methods for determining need for treating a vehicle travel surface |
John A. Doherty |
2010-03-23 |
| 7400267 |
Methods for determining need for treating a vehicle travel surface |
John A. Doherty |
2008-07-15 |
| 7164365 |
Vehicle mounted travel surface and weather condition monitoring system |
John A. Doherty |
2007-01-16 |
| 6938829 |
Apparatus and system for synchronized application of one or more materials to a surface from a vehicle and control of a vehicle mounted variable position snow removal device |
John A. Doherty |
2005-09-06 |
| 6173904 |
Apparatus and system for synchronized application of one or more materials to a surface from a vehicle and control of a vehicle mounted variable position snow removal device |
John A. Doherty |
2001-01-16 |
| 5904296 |
Apparatus and system for synchronized application of one or more materials to a surface from a vehicle and control of a vehicle mounted variable positions snow removal device |
John A. Doherty |
1999-05-18 |
| 5745051 |
Surface material and condition sensing system |
John A. Doherty, Donald P. Keathley, William J. Collins |
1998-04-28 |
| 5619193 |
Surface material and condition sensing system |
John A. Doherty, Donald P. Keathley, William J. Collins |
1997-04-08 |