Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604854 | Thin film thermometer with sensors that appear and disappear from respective concealing features according to temperature | Paul Anthony Ridgway | 2003-08-12 |
| 6241386 | Decal with multiple concealing features that selectively display or conceal temperature sensors according to ambient temperature | Paul Anthony Ridgway | 2001-06-05 |