Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220800 | Method and apparatus to protect refrigerated products | Helmut Elze, Mark J. Caires | 2001-04-24 |
| 5660512 | Apparatus to protect perishable products during transport | Helmut Elze | 1997-08-26 |