Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10232295 | Filter including support frame | Kevin Hobbs, David Heritage | 2019-03-19 |
| 7753977 | Air filtration system having a removable diffuser | Edward F. Lyons, Wenli Wang | 2010-07-13 |
| D544949 | Air filter | Kevin Hobbs, Michael Corbat, Dean Kerstetter | 2007-06-19 |
| 7156891 | Forced air system air filter | Kevin Hobbs, Michael Corbat, Dean Kerstetter | 2007-01-02 |
| 6955696 | Filter frame and assembly | Lawrence H. Ost, Brandon H. Ost, Hershel E. Beck | 2005-10-18 |
| 5147418 | Volatile liquid storage system | Royce J. Laverman, Jeffrey K. Rinehart | 1992-09-15 |