Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10741151 | Musical instrument pitch changer | Joseph Glaser, II | 2020-08-11 |
| 10192530 | Musical instrument pitch changer | Joseph Glaser, II | 2019-01-29 |
| 9704458 | Musical instrument pitch changer | Joseph Glaser, II | 2017-07-11 |
| 9412346 | Musical instrument pitch changer | Joseph Glaser, II | 2016-08-09 |