Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5731065 | Multilayered, textile, gas-permeable filter material against toxic chemical substances | Hans-Joachim Topfer, Gerhard Stabler, Thomas Stoll | 1998-03-24 |
| 5314096 | Dual purpose pump for pressure vessels | Robert Fesl, Peter Janssen | 1994-05-24 |
| 4750843 | Apparatus for producing a stable emulsion for use in cleaning and decontamination devices | Dieter Endtner, Roland Schick | 1988-06-14 |