Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4450553 | Multilayer information disc | Peter L. Holster | 1984-05-22 |
JW
Johannes M. Wittkamper
Overall (All Time): #4,034,928 of 4,157,543Top 100%
1
Patents All Time