Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6943846 | Multi-picture in picture system | Franciscus H. M. Bergen, Jan Klijn, Johan Schirris | 2005-09-13 |
| 5786525 | Method and apparatus for balancing an air distribution system | Mark G. Freund | 1998-07-28 |