Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8920849 | Skin treatment method and system | Kenneth P. Callison | 2014-12-30 |
| 4463339 | State/interval redundant controller system for traffic signals | Ralph E. Frick | 1984-07-31 |