Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846760 | Shaft coupler | Joseph T. Betterton, Alfred H. Glover | 1989-07-11 |
| 4846762 | Shaft coupler for automated assembly | Joseph T. Betterton, Alfred H. Glover | 1989-07-11 |
| 4842425 | Odometer shaft retainer and support | Joseph T. Betterton, Alfred H. Glover | 1989-06-27 |