Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8297659 | Quick connector assembly | Douglas Callahan, Steve Mixter, Michael Longhenry, Brent J. Ertl | 2012-10-30 |
| 7762240 | Integrated vapor management and rollover valve for a fuel tank | Douglas Callahan, Brent J. Ertl, Hans Bishop | 2010-07-27 |
| 7610905 | Passive evaporative emission control module | Douglas Callahan, Brent J. Ertl, Michael Farrey, Hans Bishop | 2009-11-03 |
| 7318424 | Integrated vapor management and rollover valve for a fuel tank | Douglas Callahan, Brent J. Ertl, Hans Bishop | 2008-01-15 |
| 7311088 | Passive evaporative emission control module | Douglas Callahan, Brent J. Ertl, Michael Farrey, Hans Bishop | 2007-12-25 |