Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6027505 | Instrument for the introduction of an inlay of an implant into the associated shell | Thomas Willi, Burkhard Wymann | 2000-02-22 |
| 4957955 | Plastisols based on styrene/acrylonitrile copolymers | Wolfgang Saur, Herbert Schreiber, Gunter Hilken | 1990-09-18 |
| 4934338 | Method and apparatus for preheating ventilation air for a building | John C. Hollick | 1990-06-19 |
| 4899728 | Method and apparatus for preheating ventilation air for a building | John C. Hollick | 1990-02-13 |