Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D573175 | Four-in-one pain scale | Kris Schellens | 2008-07-15 |
| D561821 | Four-in-one pain scale | Kris Schellens | 2008-02-12 |
| D540702 | Analog scale for measuring pain | Kris Schellens | 2007-04-17 |