Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636174 | Cluster computer based education delivery system | David M. Andersen, Donald L. Bitzer, Robert Rader, Bruce A. Sherwood | 1987-01-13 |
| 4206320 | High speed modem suitable for operating with a switched network | William Edward Keasler, Jr., Donald L. Bitzer | 1980-06-03 |