Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7114359 | Method for producing bent spring rails from an endless spring band | Oliver Lenzen, Oliver Blumenstock | 2006-10-03 |
| 7013547 | Method and device for the production of curved spring strip sections | Oliver Lenzen | 2006-03-21 |