Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745686 | Bearing for a cylindrical sieve in rotation sieve printing works | Hans-Rudolf Frick, Heinz Brocker | 2004-06-08 |
| 6318416 | Spring interior and method of making same | — | 2001-11-20 |
| 5788051 | Device for transferring springs to an assembly machine | Hans Knoepfel | 1998-08-04 |
| 5713115 | Electronically regulated apparatus for coiling springs | Hans Knoepfel | 1998-02-03 |