Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720652 | Sealed beam headlamp and method for testing its serviceability | — | 1988-01-19 |
| 4410830 | Vacuum fluorescent display device with substrate including a metal plate | — | 1983-10-18 |
| 4402134 | Method of making an integrated display device | — | 1983-09-06 |
| 4302706 | Glass-to-glass sealing method with conductive layer | — | 1981-11-24 |
| 4259613 | Fluorescent indicator and method of making same | — | 1981-03-31 |
| 4206382 | Glass-to-glass sealing method with conductive layer | — | 1980-06-03 |
| 4206404 | Vacuum fluorescent indicator | — | 1980-06-03 |
| 4196227 | Method of forming carbon anodes in multidigit fluorescent display devices | Donald M. Ashton, Jr. | 1980-04-01 |