Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10569201 | Filter device and method | — | 2020-02-25 |
| 9857802 | Gaseous fuel control device for engines | David G. Fisher, Galina Laur, Hillary H. Grimes, III | 2018-01-02 |
| 9541033 | Gaseous fuel and air mixing venturi insert device for carburetor | — | 2017-01-10 |
| 9316033 | Door safety latch | — | 2016-04-19 |
| 9303575 | Automatic set point adjustment system and method for engine air-fuel ratio control system | David G. Fisher, Richard Fisher, Galina Laur, Hillary H. Grimes, III, John A. Zahir +1 more | 2016-04-05 |
| 8177266 | Door latch | — | 2012-05-15 |
| 8005603 | Fuel control system and method for gas engines | C. Ross Fisher, David G. Fisher, George A. Mansfield, III | 2011-08-23 |
| 7410152 | Gaseous fuel and air mixing venturi device and method for carburetor | — | 2008-08-12 |
| 6978774 | Emission control valve for gas-fueled engines | C. Ross Fisher, David G. Fisher, William A. Hoie | 2005-12-27 |