Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807053 | Method and apparatus for recording and/or reproducing video information in/for a record carrier, and record carrier obtained by means of the method | — | 1989-02-21 |
WH
Werner A. L. Heijnemans
Overall (1989): #45,190 of 140,708Top 35%
1
Patents 1989