Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6211833 | Parking aid | — | 2001-04-03 |
| 4867638 | Split ring seal of a centrifugal pump | Albert A. Handtmann, Erwin Gebhard, Franz Fischer, Valentin Schroder | 1989-09-19 |
| 4198707 | Soft protective construction | Franz Fischer, Arthur Handtmann, Erhard Bross | 1980-04-22 |
| 4182843 | Method for producing castings by activated anionic polymerization of lactams | Franz Fischer, Arthur Handtmann | 1980-01-08 |