Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842871 | Method and inoculant for preserving agricultural products for animal feed | — | 1989-06-27 |
| 4813607 | Variable-area thrust vectoring and reversing asymmetric aircraft exhaust nozzle | Raymond David Ruthven | 1989-03-21 |