Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6188836 | Portable radiant heater with two reflectors | Dov Z. Glucksman, Karl H. Weidemann | 2001-02-13 |
| D433117 | Fan housing | — | 2000-10-31 |
| D429809 | Fan base | — | 2000-08-22 |
| D426876 | Heater housing | Jon R. Rossman, Bryan R. Hotaling | 2000-06-20 |
| D425975 | Humidifier | — | 2000-05-30 |
| D421109 | Humidifier | — | 2000-02-22 |
| 5761377 | Tower type portable radiant heater | Johnson Hsu, Dov Z. Glucksman, Karl H. Weidemann | 1998-06-02 |
| 5613833 | Quick release tilt adjustment mechanism | Johnson Hsu | 1997-03-25 |
| 5045659 | Disposable microwave popcorn container | John S. Sklenak | 1991-09-03 |
| 5007254 | Additive fluid viewing | Ronald A. Goyette | 1991-04-16 |
| 4814571 | Microwave oven adapted for under-the-counter use | Robert F. Bowen, Kenneth W. Dudley | 1989-03-21 |