Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870470 | Non-volatile memory cell having Si rich silicon nitride charge trapping layer | Arup Bhattacharyya, Gary D. Grise | 1989-09-26 |
RB
Roy Bass
Overall (1989): #64,667 of 140,708Top 50%
1
Patents 1989