Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469487 | Solar-powered refrigeration system | Michael K. Ewert | 2002-10-22 |
| 6453693 | Solar powered refrigeration system | Michael K. Ewert | 2002-09-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469487 | Solar-powered refrigeration system | Michael K. Ewert | 2002-10-22 |
| 6453693 | Solar powered refrigeration system | Michael K. Ewert | 2002-09-24 |