Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8191745 | Secured children's book and toy holder | — | 2012-06-05 | |
| 6899239 | Sealable baby bottle liner | — | 2005-05-31 | |
| 5864199 | Electron beam emitting tungsten filament | Roger Alvis, Bryan Tracy | 1999-01-26 | $5,423,000 |
| 5727978 | Method of forming electron beam emitting tungsten filament | Roger Alvis, Bryan Tracy | 1998-03-17 | $13,043,000 |