Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287489 | Method and system for authoring, editing and testing instructional materials for use in simulated trailing systems | George R. Nimmo, Mark A. Johnson | 1994-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287489 | Method and system for authoring, editing and testing instructional materials for use in simulated trailing systems | George R. Nimmo, Mark A. Johnson | 1994-02-15 |