Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4379981 | Fluorescent lamp having improved barrier layer | — | 1983-04-12 |
| 4363998 | Fluorescent lamp processing which improves performance of zinc silicate phosphor used therein | Eugene Graff | 1982-12-14 |