Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374449 | Monolithic piezoelectric structural element for keyboards and method of manufacturing | Hans Schenk | 1994-12-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374449 | Monolithic piezoelectric structural element for keyboards and method of manufacturing | Hans Schenk | 1994-12-20 |