Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648518 | Process for producing esters of (meth) acrylic acid and polyhydric alcohols | Hans-Dieter Sitz, Ludwig Speitkamp | 1997-07-15 |
| 5605088 | Vacuum brake power booster | Jürgen Balz, Karlheinz Bill, Horst Krämer, Peter Drott, Jürgen Bauer +4 more | 1997-02-25 |