Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457570 | Rectangular bursting energy absorber | John R. Rohde, Dean L. Sicking | 2002-10-01 |
| 6416041 | Guardrail system | Dean L. Sicking, Ronald Keith Faller, Brian G. Pfeifer, Barry Thomas Rosson, John R. Rohde | 2002-07-09 |