Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9212451 | Two level electric resistance heater and method of use | — | 2015-12-15 |
| 7947932 | Open coil electric resistance heater with offset coil support and method of use | R. Devin Ridley | 2011-05-24 |
| 7154072 | Method of using open coil resistance heater in appliances with right and left hand installation capability | H. Keith Howard | 2006-12-26 |
| 7075043 | Standoff for use with uncoiled bare wire and insulated runs of an open coil electric resistance heater, method of use, and an open coil resistance heater using the standoff | H. Keith Howard | 2006-07-11 |
| 6737616 | Open coil electric resistance heater using twisted resistance wires and methods of making | — | 2004-05-18 |
| 6509554 | Support clips and insulators for use in electric heaters and electric heaters containing same | Keith Howard, Ike Walker | 2003-01-21 |