Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855129 | Skin-protecting or skin-care composition | Bernd Wittmann | 1989-08-08 |
| 4818423 | Low temperature lubricating oil | Jurgen Ackermann, Ottfried Schlak | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855129 | Skin-protecting or skin-care composition | Bernd Wittmann | 1989-08-08 |
| 4818423 | Low temperature lubricating oil | Jurgen Ackermann, Ottfried Schlak | 1989-04-04 |