Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10088852 | Multi-tank water heater systems | Fritz Hazzard, David Heil, James Holmberg, Donald J. Kasprzyk, Bruce L. Hill | 2018-10-02 |
| 10024439 | Valve over-travel mechanism | Donald J. Kasprzyk | 2018-07-17 |
| 9995486 | Gas valve with high/low gas pressure detection | Donald J. Kasprzyk, David Kucera | 2018-06-12 |
| 9885484 | Multi-tank water heater systems | James Holmberg, Fritz Hazzard, Donald J. Kasprzyk, Bruce L. Hill | 2018-02-06 |