Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400411 | System and process for maintaining consistent video levels when digitizing video signals using different video capture devices | Donald E. Nelsen | 2002-06-04 |
| 5115859 | Regenerable non-venting cooler for protective suit | George J. Roebelen, Jr. | 1992-05-26 |
| 5092129 | Space suit cooling apparatus | George J. Roebelen, Jr. | 1992-03-03 |