Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842894 | Method of vapor depositing a luminescent layer on the screen of an x-ray image intensifier tube | Martinus A. C. Ligtenberg | 1989-06-27 |
AS
August L. H. Simons
Overall (1989): #130,349 of 140,708Top 95%
1
Patents 1989