Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D469480 | Teddy bear in race-car driver's clothing | — | 2003-01-28 |
| D468782 | Teddy bear in race-car driver's clothing | — | 2003-01-14 |
| 5057431 | Device for optical measuring of physical dimensions and material concentrations | Dietrich W. Lubbers, Norbert Opitz | 1991-10-15 |
| 4581920 | Arrangement for measuring ex-vivo bleeding time | Heinz Schroer | 1986-04-15 |