Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5126985 | Method of recording information on a record carrier of the thermomagnetic type, and device for carrying out the method | Johannes H. M. Spruit, Hendricus F. J. J. Van Tongeren, Bernardus A. J. Jacobs | 1992-06-30 |
| 4568993 | Magnetic head | Doeko Stoppels, Johannes P. M. Damen, Eelco G. Visser | 1986-02-04 |
| 4298820 | Luminescent screen | Maurits W. Van Tol, John M. Robertson | 1981-11-03 |