Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859901 | Color CRT shadow mask with wrinkle-free corners | — | 1989-08-22 |
| 4820225 | Method of sealing a pump stem to a cathode ray tube envelope part | Roger A. Black | 1989-04-11 |
KT
Kathryn C. Thompson-Russell
Overall (1989): #22,666 of 140,708Top 20%
2
Patents 1989