Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687708 | Gas-fired batch booster water heater apparatus | Craig A. Farnsworth, Michael Aronov, Gary Liljenberg, Buddy J. Austin | 1997-11-18 |
| 5645409 | Slotted burner for gas fireplace | Li Ni, Robert A. Borgeson, Nick M. Kules | 1997-07-08 |
| 5201807 | Gas-fired water heater | Gary Liljenberg, Richard K. Nelson | 1993-04-13 |