Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823878 | Guidelineless reentry system with fixed rollers | Charles E. Jennings | 1989-04-25 |
| 4823879 | Guidelineless reentry system with nonrotating funnel | Charles E. Jennings | 1989-04-25 |