Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022567 | Underwater ducted turbine | Emmanuel Grillos, Stephen Allison | 2011-09-20 |
| 7471009 | Underwater ducted turbine | Emmanuel Grillos, Stephen Allison | 2008-12-30 |
| 5529300 | Self-powered extensible projectile launching police baton | Richard K. Frazier, Arnold W. Trottier | 1996-06-25 |
| 5526972 | Space organizer for truck bed trays and automobile trunks | Richard K. Frazier | 1996-06-18 |