Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863466 | Intra-ocular implant lens | — | 1989-09-05 |
| 4853261 | Process for the preparation of coatings with hydantoin structures by the reaction of compounds containing carbodiimide groups with unsaturated carboxylic acids | Willi Dunwald, Reinhard Halpaap, Josef Pedain | 1989-08-01 |