Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5997295 | Inlet/exhaust structure for an outdoor furnace | Colette L. Knowles | 1999-12-07 |
| 5333598 | Unit heater and heat exchanger therefor | Richard Mielke, Robert Cooley | 1994-08-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5997295 | Inlet/exhaust structure for an outdoor furnace | Colette L. Knowles | 1999-12-07 |
| 5333598 | Unit heater and heat exchanger therefor | Richard Mielke, Robert Cooley | 1994-08-02 |