Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10088852 | Multi-tank water heater systems | David Heil, James Holmberg, Gregory Young, Donald J. Kasprzyk, Bruce L. Hill | 2018-10-02 |
| 9885484 | Multi-tank water heater systems | Gregory Young, James Holmberg, Donald J. Kasprzyk, Bruce L. Hill | 2018-02-06 |