Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062410 | Downdraft range ventilator | Joseph R. Sarnosky, Alan G. Klug, Gary E. Behm | 1991-11-05 |
| 4867640 | Exhaust fan for bathrooms and the like | Robert G. Penlesky, Kenneth J. Jonas, Thomas A. Kuhnke | 1989-09-19 |
| D288007 | Combination deodorizer and light | Kenneth J. Jonas, Ralph LaZar | 1987-01-27 |
| 4610705 | Filter for ductless range hood | Joseph R. Sarnosky | 1986-09-09 |
| 4594940 | Fan for ventilation | Dieter W. Otte | 1986-06-17 |
| 4510851 | Ventilation fan | Joseph R. Sarnosky, Dieter W. Otte | 1985-04-16 |
| 4465256 | Mounting device for range hoods | Kenneth J. Jonas, Roland E. Butt, Robert W. Busch | 1984-08-14 |