Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7540796 | Inflatable buoyancy device with water-dependant triggering mechanism | Fredrick Spears | 2009-06-02 |
| 7232354 | Inflatable buoyancy device with water-dependant triggering mechanism | Fredrick Spears | 2007-06-19 |