Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5414809 | Graphical display of data | Patrick M. Hogan, Lars Greninger, Lloyd J. Arrow | 1995-05-09 |
| 5182793 | Computer-aided decision making with a symbolic spreadsheet | Michael E. Irrgang, John A. Kirchner | 1993-01-26 |