Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791565 | Apparatus for controlling the use of computer software | Michael D. Dunham, Sr., Thomas M. Dykstra, Paul Ehlers | 1988-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791565 | Apparatus for controlling the use of computer software | Michael D. Dunham, Sr., Thomas M. Dykstra, Paul Ehlers | 1988-12-13 |