Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5577677 | Axially-compressible coil carrier | Hermann-Josef Frings, Franz Josef Hallmann | 1996-11-26 |
| 5445335 | Coil carrier compressible in axial direction | Franz Josef Hallmann | 1995-08-29 |