Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6089223 | Direct contact water heating system | Robert Jasper, Mark Dunbar | 2000-07-18 |
| 5871006 | Hot water heating system | R. Carr, David E. Auten | 1999-02-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6089223 | Direct contact water heating system | Robert Jasper, Mark Dunbar | 2000-07-18 |
| 5871006 | Hot water heating system | R. Carr, David E. Auten | 1999-02-16 |