Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880037 | Shuttle returner and improved body therefor | — | 1989-11-14 |
| 4873388 | Oxidative conversion of methane to ethylene and ethane | Eric Shutt, Andries G. Altena | 1989-10-10 |
| 4842268 | Exercise machine | — | 1989-06-27 |
| 4832614 | Electrical connector with improved shunt | — | 1989-05-23 |
| 4798379 | Exercise machine | — | 1989-01-17 |