Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9471156 | CRT light pen interface for flat panel displays | Robert J. Basnett, Stephen Lee Cowell | 2016-10-18 |
| 8963893 | CRT light pen interface for flat panel displays | Robert J. Basnett, Stephen Lee Cowell | 2015-02-24 |