Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436070 | Magnetic recording medium comprising a polyoxyalkylene oxide binder, a phosphoric ester dispersant and a cicular magnetic powder | Wolf-Dieter Schroer, Attila Vass, Juergen Sauter, Juergen Schmidt | 1995-07-25 |
| 5364528 | Filter apparatus including filter cartridges and an inpermeable film bag | Lothar Schwarz | 1994-11-15 |