Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9640162 | Musical instrument switching system | Sterling Ball, Robert James Wolstein, Dudley Dean Gimpel, Christopher Pullen Stephens | 2017-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9640162 | Musical instrument switching system | Sterling Ball, Robert James Wolstein, Dudley Dean Gimpel, Christopher Pullen Stephens | 2017-05-02 |