Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9636722 | Exhaust fan assembly | John William Enzenroth, Terry Lee Hrdina, Kishor Kashinath Khankari, Edward G. Legner, Timothy Ronald Mathson +2 more | 2017-05-02 |
| 8647182 | Exhaust fan assembly | John William Enzenroth, Terry Lee Hrdina, Kishor Kashinath Khankari, Edward G. Legner, Timothy Ronald Mathson +2 more | 2014-02-11 |
| 7682231 | Exhaust fan assembly | John William Enzenroth, Terry Lee Hrdina, Kishor Kashinath Khankari, Edward G. Legner, Timothy Ronald Mathson +2 more | 2010-03-23 |
| 7320636 | Exhaust fan assembly having flexible coupling | Michael Glenn Seliger, Terry Lee Hrdina | 2008-01-22 |