Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881512 | Internal combustion engine ignition system | Stephen J. Valeri | 1989-11-21 |
| 4851363 | Fabrication of polysilicon fets on alkaline earth alumino-silicate glasses | John R. Troxell, Marie I. Harrington | 1989-07-25 |