Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6058333 | Animation of execution history | Michael Klein, William Perry Su, Richard Leroy Mahn | 2000-05-02 |
| 5970243 | Online programming changes for industrial logic controllers | Michael Klein, William Perry Su, Richard Leroy Mahn | 1999-10-19 |
| 5963446 | Extended relay ladder logic for programmable logic controllers | Michael Klein, William Perry Su, Richard Leroy Mahn | 1999-10-05 |