Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8571395 | Track system for heater assembly | Donald E. Porterfield, Jerry L. Hensley | 2013-10-29 |
| 6593553 | Heating coil assembly and methods for assembling the same | — | 2003-07-15 |
| 5880440 | Electrical coil insulator | Ronald R. Barnes, Herbert G. Ray, T. Randall Markum | 1999-03-09 |