Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820637 | Temperature control check valve for water heater | Mark W. Vertanen | 2004-11-23 |
| 5628072 | Eye goggles with laterally adjustable eyepieces within goggles frame | Joseph Haslbeck | 1997-05-13 |