Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853619 | Digital panel meter | Joseph Vignolo | 1989-08-01 |
| 4760334 | Digital panel meter | Thomas J. Crowell | 1988-07-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853619 | Digital panel meter | Joseph Vignolo | 1989-08-01 |
| 4760334 | Digital panel meter | Thomas J. Crowell | 1988-07-26 |