Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013969 | Low noise level HVAC system having displacement with induction | — | 2006-03-21 |
| 6083100 | Underfloor air diffuser assembly | Thomas R. Hardy, Hans Riegel, Michael Fey, Thomas Sefker | 2000-07-04 |