Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699328 | Method of filling a cassette with a length of magnetic tape | Hendrik K. Kreeft | 1987-10-13 |
| 4632327 | Apparatus for filling a cassette with a length of magnetic tape | Hendrik K. Kreeft | 1986-12-30 |