Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311851 | Watercraft battery switch system with visual indicator | John Logan Nelson, Chris Drahman, Eric J. Griggs, Scott David Spetich, Corey Williams | 2025-05-27 |
| 5704557 | Method and apparatus for treatment of organic waste material | Douglas J. Hallett | 1998-01-06 |
| 5050511 | Process for the destruction of organic waste material | Douglas J. Hallett | 1991-09-24 |