Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8535034 | Injection mold for overmolding compressible cordage | Karl Hellberg | 2013-09-17 |
| 8317319 | Co-axial multi-tip eyeglass retainer coupling and method of use | Karl Hellberg | 2012-11-27 |