Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44159 | Composition for contraception | Jurgen Spona, Bernd Dusterberg | 2013-04-16 |
| RE43916 | Composition for contraception | Jurgen Spona, Bernd Dusterberg | 2013-01-08 |
| RE38253 | Composition for contraception | Jurgen Spona, Bernd Dusterberg | 2003-09-16 |
| RE37838 | Composition for contraception | Jurgen Spona, Bernd Dusterberg | 2002-09-10 |
| RE37564 | Composition for contraception | Jurgen Spona, Bernd Dusterberg | 2002-02-26 |
| 5824667 | Composition for contraception | Jurgen Spona, Bernd Dusterberg | 1998-10-20 |
| 4777728 | Mounting to establish a basic reference for measuring machines and machine tools | — | 1988-10-18 |