Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D934775 | Dual-motor watercraft | Jeffrey P. Georgette, Zaw Aung, Dainuri Rott, Merrill Snell | 2021-11-02 |
| 6164317 | Sewer pipe cover assembly | — | 2000-12-26 |
| 4498863 | Feed forward combustion control system | Leon C. Hanson | 1985-02-12 |
| 4277254 | Control system and apparatus for producing compatible mixtures of fuel gases | — | 1981-07-07 |
| 4203300 | Horizontal direct fired water bath propane vaporizer | Leon C. Hanson | 1980-05-20 |