Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367724 | Bi-directionally compressible dye tube | Leon Eric Atkinson | 2002-04-09 |
| 5577677 | Axially-compressible coil carrier | Hermann-Josef Frings, Albert Keusch | 1996-11-26 |
| 5445335 | Coil carrier compressible in axial direction | Albert Keusch | 1995-08-29 |