Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843969 | Multi-plenum air float for load transportation and amusement ride system | Brad A. Chaffee | 1989-07-04 |
| 4815926 | Air pallet and materials moving system | Bradley A. Chaffee, Roger A. Payne | 1989-03-28 |