Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606465 | Information track format and reading and recording apparatuses therefor | Albert M. A. Rijckaert | 1997-02-25 |
HC
Hugo Augustinus Joseph Cramer
Overall (1997): #139,173 of 185,788Top 75%
1
Patents 1997