Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6183182 | Device for fixing insulating strips | — | 2001-02-06 |
| 5951225 | Large-area washer | Helmut Osterle | 1999-09-14 |
| 5934855 | Large-area washer | Helmut Osterle | 1999-08-10 |
| 5927497 | Pack of large surface washers | Daniel Gasser, Jurg Maurer, Walter F. Seifert | 1999-07-27 |
| 5915903 | Large-area washer having friction increasing elements on the underside thereof | Helmut Osterle, Marcus Steffen | 1999-06-29 |