Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602129 | Air cooling element, method for operating the same, and an air cooling arrangement | Helmuth Sokolean, Josef Ender, Beat Schönbächler | 2003-08-05 |
| 6263690 | Apparatus for cooling a room | Helmuth Sokolean, Josef Ender | 2001-07-24 |
| 6082126 | Apparatus for cooling a room | Helmuth Sokolean | 2000-07-04 |
| 5996354 | Method and apparatus for cooling a room | Helmuth Sokolean | 1999-12-07 |
| 4640745 | Process for producing a cutting base | Herbert Knothe | 1987-02-03 |
| 4512007 | Method for producing a record carrier | Herbert Knothe | 1985-04-16 |
| 4248438 | Mechanical record cutting method | Herbert Knothe, Horst Redlich | 1981-02-03 |