Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D421762 | Puck shaped transparency viewer | Brian Shirley, Brian T. Eichelberger | 2000-03-21 |
| D421033 | Ball shaped transparency viewer | Brian Shirley, Brian T. Eichelberger | 2000-02-22 |
| D421034 | Football shaped transparency viewer | Brian Shirley, Brian T. Eichelberger | 2000-02-22 |
| D421035 | Baseball shaped transparency viewer | Brian Shirley, Brian T. Eichelberger | 2000-02-22 |