Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239506 | Latch and data out driver for memory arrays | William R. Dachtera, Arthur D. Tuminaro | 1993-08-24 |
| 4613958 | Gate array chip | Edward F. Culican, Matthew C. Graf | 1986-09-23 |
LR
Leonard C. Ritchie
Overall (All Time): #2,304,003 of 4,157,543Top 60%
2
Patents All Time