Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5184258 | Helical scan magnetic tape recorder with capstan assisted vacuum threading | Frederic F. Grant, Vincent J. Piarulli, Alexander R. Maxey | 1993-02-02 |
| 4233761 | Earth digging bucket tooth construction having a nose with increased section modulus | — | 1980-11-18 |