Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811288 | Data security device for protecting stored data | Theodoor A. Kleijne, Jan Goossens | 1989-03-07 |
JB
Johannes A. J. de Bruin
Overall (1989): #95,916 of 140,708Top 70%
1
Patents 1989