Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946963 | Secure storage disc and disc surveillance system | John W. Sellers | 2005-09-20 |
| 6100840 | Radio frequency tag system | Paul D. Zidek, John W. Sellers, Gary A. Thiele, Ronald George Riechers | 2000-08-08 |
| 4885804 | Optical transmitting and receiving apparatus | — | 1989-12-05 |