Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152034 | Teaching method and system | Terrence Layng, Kent R. Johnson, Janet S. Iwyman, Michael P. Layng, Marilyn R. Gilbert +1 more | 2006-12-19 |
| 6523007 | Teaching method and system | Terrence Layng, Kent R. Johnson, Janet S. Twyman, Michael P. Layng, Marilyn R. Gilbert +1 more | 2003-02-18 |