Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596952 | Indirect water heater | Eric M. Lannes | 1997-01-28 |
| RE34534 | Direct power vented water heater | — | 1994-02-08 |
| 5092519 | Control system for water heaters | — | 1992-03-03 |
| 4867106 | Direct power vented water heater | — | 1989-09-19 |
| 4672919 | Direct power vented water heater | — | 1987-06-16 |
| 4566008 | Fault detecting circuit and method for a vehicle detector system | Avery W. Powers, Guy L. Cates, Jarrell W. Mullies | 1986-01-21 |
| 4416222 | Hot water heater circuitry | — | 1983-11-22 |
| 4383240 | Recorder of the status of a traffic control system | — | 1983-05-10 |