Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D576287 | Road system | — | 2008-09-02 |
| D549835 | Road system | — | 2007-08-28 |
| D524450 | Road system | — | 2006-07-04 |
| D498537 | Road system | — | 2004-11-16 |
| D472646 | Road system | — | 2003-04-01 |
| D451203 | Reversible tollroad configuration | — | 2001-11-27 |
| D428998 | Reversible tollroad configuration | — | 2000-08-01 |