Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355912 | Safety circuit for heating devices using PTC wire | — | 2002-03-12 |
| 6332852 | Variable ratio drive system | — | 2001-12-25 |
| 6312150 | Speed control for a mixer for providing an incremental power boost | William Michael Kennedy | 2001-11-06 |
| 5844207 | Control for an electric heating device for providing consistent heating results | Robert Scott Myerly | 1998-12-01 |
| 4993267 | Electronic transducer | Merle L. Kemp, Alan J. Janicek | 1991-02-19 |
| 4918833 | Method of assembling an electronic transducer | Merle L. Kemp, Alan J. Janicek | 1990-04-24 |
| 4850204 | Adaptive defrost system with ambient condition change detector | Peter BOS | 1989-07-25 |
| 4251988 | Defrosting system using actual defrosting time as a controlling parameter | Robert A. Heinzen | 1981-02-24 |