Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561376 | Transportable pontoon | — | 1985-12-31 |
| 4520523 | Bridge module for use in a crane assisted method of building a transportable girder bridge | Bertram Bird, Michael Willis | 1985-06-04 |
| 4453283 | Decking pallet | Michael Willis | 1984-06-12 |
| 4411036 | Transportable bridge | — | 1983-10-25 |
| 4359795 | Bridge piers | — | 1982-11-23 |