Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10234333 | Temperature sensing drain cover | Steven Bryan Dunn, Mark A. Hatherill, Kevin Douglas Johnson | 2019-03-19 |
| 10080978 | Educational illumination stacker | Mark Gerard Tebbe, Steven Bryan Dunn, Mark A. Hatherill, Kevin Douglas Johnson | 2018-09-25 |
| 6997434 | Twist cam valve | — | 2006-02-14 |
| 6739359 | On-board inert gas generating system optimization by pressure scheduling | Philip Jones | 2004-05-25 |
| 5211194 | Fuel control valve | Thomas G. Morgan, James Cline | 1993-05-18 |
| 4892216 | Fuel filler cap with overpressure relief | — | 1990-01-09 |
| 4824572 | Method and apparatus for treating household waste water | — | 1989-04-25 |
| D291242 | Refill for a fragrance dispenser | Theodore A. Harden | 1987-08-04 |