Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881914 | Getter arrangement having a getter detector and a post-heating timer | Ronald P. T. Kamp | 1989-11-21 |
JM
Johannes P. De Meij
Overall (1989): #95,895 of 140,708Top 70%
1
Patents 1989