Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684678 | Method for extracting a tool from a hollow object and tool for machining a hollow object | Peter Kettner, Andreas Dietrich, Manfred Hirschvogel | 2004-02-03 |
| 6516647 | Method of producing homokinetic joints | Manfred Hirschvogel, Karl-Heinz Schuster, Peter Kettner, Walter Pischel, Michael Dahme | 2003-02-11 |
| 6276180 | Method and apparatus for manufacturing a shift gearwheel and shift gearwheel manufactured by same | Manfred Hirschvogel, Peter Kettner, Oskar Muller, Albin Giger, Hand-Ruedi Honegger | 2001-08-21 |