Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8745807 | Scrubbing apparatus and method | Donald Varner | 2014-06-10 |
| D472114 | Turbotune drumkey | Dave Jeffrey | 2003-03-25 |
| 6294719 | Musical instrument string winder | David R. Jeffrey | 2001-09-25 |
| D425873 | Data entry pad | Curtis L. Anderson, Greg Tanaka | 2000-05-30 |
| D262204 | Display processing system | Robert M. Wilson, Jr. | 1981-12-08 |