Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955696 | Filter frame and assembly | Lawrence H. Ost, Brandon H. Ost, Philip J. Winters | 2005-10-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955696 | Filter frame and assembly | Lawrence H. Ost, Brandon H. Ost, Philip J. Winters | 2005-10-18 |