Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959814 | System and method for producing hot water without a flame | W. James Masters, Douglas W. Fugate, Edwin W. Wilson, John T. Johnson | 2011-06-14 |
| 7866380 | System and method for producing hot water without a flame | W. James Masters, Douglas W. Fugate, Edwin E. Wilson, John T. Johnson | 2011-01-11 |