Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816929 | Golf swing training device | Robert C. Koch | 1998-10-06 |
| 5562074 | Piston for internal-combustion engines | — | 1996-10-08 |
| 5417831 | Solid electrolyte having a multi-layer electrode applied thereto | Wolfgang Schaefer, Rainer Schmidberger, Detlef Stolten | 1995-05-23 |
| 5387476 | Power connection element for solid-electrolyte fuel cells | Richard Spaeh, Wolfgang Schaefer | 1995-02-07 |
| 5386808 | Camshaft drive for an internal-combustion V-engine | — | 1995-02-07 |
| 5195748 | Golf swing training device | Robert C. Koch | 1993-03-23 |
| 5101792 | Internal combustion engine fuel distributor housing | — | 1992-04-07 |
| 5063882 | Oil separator for gases from a crankcase of an internal-combustion engine | Dieter Stephan | 1991-11-12 |
| 4851180 | Magnetic coil arrangement for fusion reactors | Bruno Coppi, Lorenzo Lanzavecchia, Jon Rauch | 1989-07-25 |