Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139946 | Dot matrix membrane cell expansion | Gary W. Howell, Joseph D. Irr | 1992-08-18 |
| 5068195 | Dot matrix membrane cell expansion and maintenance vessel | Gary W. Howell, Joseph D. Irr | 1991-11-26 |