Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870402 | Multilingual paging system | Joan S. DeLuca, Charles Mellone | 1989-09-26 |
| 4868563 | Microcomputer controlled display backlight | Leonard E. Nelson | 1989-09-19 |
MS
Mark T. Stair
Overall (1989): #20,392 of 140,708Top 15%
2
Patents 1989