Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6226555 | Flowchart exception handling element | Chuck E. Kallal, Mike W. Messick, Kevin P. Aretha, Jason A. McLees, David J. Gee +1 more | 2001-05-01 |
| 6058333 | Animation of execution history | Michael Klein, William Perry Su, Per-Ola Gustav Forsgren | 2000-05-02 |
| 5970243 | Online programming changes for industrial logic controllers | Michael Klein, William Perry Su, Per-Ola Gustav Forsgren | 1999-10-19 |
| 5963446 | Extended relay ladder logic for programmable logic controllers | Michael Klein, William Perry Su, Per-Ola Gustav Forsgren | 1999-10-05 |