Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7074003 | Helicopter moving device | — | 2006-07-11 |
| 5901649 | Roll on-roll off piggyback bimodal terminal system | Richard C. Hathaway, Mearl K. Bridges, John Barr, Edmond S. Miksch | 1999-05-11 |
| 5836251 | Roll on--roll off bimodal terminal system | Richard C. Hathaway, Mearl K. Bridges, John Barr | 1998-11-17 |
| 5584521 | Vehicle modular rail system | Richard C. Hathaway, Mearl K. Bridges | 1996-12-17 |
| 5480206 | Vehicle modular rail system having cover locking attachment | Richard C. Hathaway, Mearl K. Bridges | 1996-01-02 |
| 5263761 | Vehicle modular rail system | Richard C. Hathaway, Mearl K. Bridges | 1993-11-23 |