Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11867247 | Multiple variable turn wave springs, methods of pre-loading components with said springs, and methods of manufacturing said springs | Elmar Joerg Kampmann, James Shamus | 2024-01-09 |
| 9453549 | Gap-type, single turn, tooled wave spring | Elmar Joerg Kampmann | 2016-09-27 |