Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760135 | Pressure sensitive adhesive | Ralf Korpman, Vera Korpman, Dennis Korpman | 1998-06-02 |
| 5587237 | Pressure sensitive adhesive | Ralf Korpman, Vera Korpman, Dennis Korpman | 1996-12-24 |
| 5274036 | Pressure sensitive adhesive | Ralf Korpman, Vera Korpman, Dennis Korpman | 1993-12-28 |