Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723848 | Method for producing benzo annelated heterocycles | Frank-Hardi Wartenberg, Thomas Koppe, Markus Wydra, Achim Benz | 2004-04-20 |
| 5195532 | Apparatus for producing a stimulation by vibration of a tappet which is put on a human's skin | Walter Schumacher, Gerd Hollnagel, Gerald Dittmar Arndt, Ulrich Pluquett, Arno May +2 more | 1993-03-23 |
| 4817305 | Last for shoe shafts which has a generally T-shaped groove and a spring-biased generally T-shaped profile band therein | — | 1989-04-04 |