Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8586849 | Media system and method of progressive instruction in the playing of a guitar based on user proficiency | — | 2013-11-19 |
| 8481838 | Media system and method of progressive musical instruction based on user proficiency | — | 2013-07-09 |
| 8119896 | Media system and method of progressive musical instruction | — | 2012-02-21 |
| 4526393 | Method for moving a grandstand and a hitch for connecting a tractor to an implement to be towed. | — | 1985-07-02 |