Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859106 | Device for connecting two coaxial components fixedly in terms of rotation | Ernst Elsner, Stewart D. Jelfs | 1989-08-22 |
| 4834692 | Universal joint for use with shafting | Peter Babik | 1989-05-30 |
| 4822204 | Flange coupling | — | 1989-04-18 |