Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065067 | Piezoelectric circuit | Bobby R. Walker | 1991-11-12 |
| 4943752 | Piezoelectric incandescent lamp test device | Bobby R. Walker | 1990-07-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065067 | Piezoelectric circuit | Bobby R. Walker | 1991-11-12 |
| 4943752 | Piezoelectric incandescent lamp test device | Bobby R. Walker | 1990-07-24 |