Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867536 | Color selectable liquid crystal display system | Frederick James Porter | 1989-09-19 |
| 4803646 | Electronic odometer | Michael J. Burke, Gerald J. Lehner | 1989-02-07 |
RP
Richard A. Pidsosny
Overall (1989): #17,625 of 140,708Top 15%
2
Patents 1989