Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912778 | System for recording and/or reproducing information medium for use in the system and magnetic head for formatting the medium | Abraham Hoogendoorn | 1999-06-15 |
JK
Johanes J.W. Kalfs
Overall (All Time): #3,651,554 of 4,157,543Top 90%
1
Patents All Time