Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437156 | Programmable calculator | Chris J. Christopher, Fred Wenninger, Jr., Donald E. Morris, Wayne F. Covington, Joseph W. Beyers +2 more | 1984-03-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437156 | Programmable calculator | Chris J. Christopher, Fred Wenninger, Jr., Donald E. Morris, Wayne F. Covington, Joseph W. Beyers +2 more | 1984-03-13 |