Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6118625 | Magnetic head with lateral shielding limbs and a common contact face | Hartmut Willmann | 2000-09-12 |
| 5075809 | Rotary magnetic head tape-scanning device with heads protected from cross-talk by mounting on a head carrier and by annular shielding of a portion of the head projecting from the head carrier | Hartmut Willmann, Jorn Lutzeler | 1991-12-24 |
| 5036418 | Magnetic tape recorder with shielding device for contact-free signal transfer between components moved relative to one another | Hartmut Willmann, Ludwig Dittmann, Jorn Lutzeler | 1991-07-30 |
| 4267638 | Protected pivot adjustable scaled compasses | — | 1981-05-19 |