Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558381 | High speed scanning arrangement for video tape recorder | — | 1985-12-10 |
| 4306261 | Method and apparatus for recording helical scan information and tracking signals | Hendrik J. Sanderson | 1981-12-15 |