Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41988 | Highway crash cushion and components thereof | Michael H. Oberth | 2010-12-07 |
| 6481920 | Highway crash cushion | Patrick A. Leonhardt, Lincoln C. Cobb | 2002-11-19 |
| 6244637 | Adjustable tailgate mount for truck mounted attenuator | Patrick A. Leonhardt, Lincoln C. Cobb, Michael J. Buehler | 2001-06-12 |
| 6092959 | Method for decelerating a vehicle, highway crash cushion, and energy absorbing element therefor | Patrick A. Leonhardt, Lincoln C. Cobb | 2000-07-25 |
| 5868521 | Highway crash cushion and components thereof | Michael H. Oberth, David C. Gertz, Barry D. Stephens | 1999-02-09 |
| 5797592 | Roadside energy absorbing barrier with improved fender panel fastener | — | 1998-08-25 |
| 5733062 | Highway crash cushion and components thereof | Michael H. Oberth | 1998-03-31 |
| 5577861 | Crash attenuator with vehicle-deflecting member | Michael H. Oberth | 1996-11-26 |
| 5494371 | Crash attenuator | Michael H. Oberth | 1996-02-27 |