Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888630 | Floating-gate transistor with a non-linear intergate dielectric | — | 1989-12-19 |
| 4874715 | Read only memory with improved channel length control and method of forming | — | 1989-10-17 |
| 4839705 | X-cell EEPROM array | Howard L. Tigelaar, Allan T. Mitchell, Bert R. Riemenschneider | 1989-06-13 |
| 4811076 | Device and process with doubled capacitors | Howard L. Tigelaar, Roger A. Haken, Thomas C. Holloway | 1989-03-07 |
| 4799992 | Interlevel dielectric fabrication process | Kalipatnam Vivek Rao, Allan T. Mitchell | 1989-01-24 |