Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10914044 | Breakaway guardrail post for a highway crash attenuation system | John R. Rohde, Dean L. Sicking, John D. Reid | 2021-02-09 |
| 10857959 | Controlled axle release mechanism for a truck trailer attenuator | Dean L. Sicking, John R. Rohde, John D. Reid | 2020-12-08 |
| 10119231 | Energy absorbing guardrail system having a modified first upper post | John R. Rohde, Dean L. Sicking, John D. Reid | 2018-11-06 |
| 9963844 | Energy absorbing guardrail system | John R. Rohde, Dean L. Sicking, John D. Reid | 2018-05-08 |
| 9732484 | Energy absorbing guardrail system | John R. Rohde, John D. Reid, Dean L. Sicking | 2017-08-15 |
| 8448913 | Anchor cable release mechanism for a guardrail system | John R. Rohde, John D. Reid, Dean L. Sicking | 2013-05-28 |
| 7690687 | Trailer mounted attenuator with breakaway axle assembly | John D. Reid, John R. Rohde, Dean L. Sicking | 2010-04-06 |
| 7100752 | Bridge pier crash cushion system | John D. Reid, John R. Rohde, Dean L. Sicking | 2006-09-05 |
| 7086508 | End splice assembly for box-beam guardrail and terminal systems | John D. Reid, John R. Rohde, Dean L. Sicking | 2006-08-08 |
| 6575434 | Apparatus and methods for strengthening guardrail installations | Roger P. Bligh, Hayes E. Ross, Jr. | 2003-06-10 |
| 6435761 | Slot guard for slotted rail terminal | Roger P. Bligh, Hayes E. Ross, Jr. | 2002-08-20 |
| 5547309 | Thrie-beam terminal with breakaway post cable release | Roger P. Bligh, Hayes E. Ross, Jr., Dean L. Sicking | 1996-08-20 |
| 5503495 | Thrie-beam terminal with breakaway post cable release | Roger P. Bligh, Dean L. Sicking, Hayes E. Ross, Jr. | 1996-04-02 |
| 5407298 | Slotted rail terminal | Dean I. Sicking, Roger P. Bligh, Hayes E. Ross, Jr. | 1995-04-18 |
| 5391016 | Metal beam rail terminal | Don L. Ivey, Carl E. Buth, Dean I. Sicking | 1995-02-21 |
| 5348416 | Gandy dancer: end piece for crash cushion or rail end treatment | Don L. Ivey | 1994-09-20 |