Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705108 | Nested cooler system | James R. Roberts | 2004-03-16 |
| 6505479 | Nested cooler system | James R. Roberts | 2003-01-14 |
| 6427475 | Nested cooler system | James R. Roberts | 2002-08-06 |