Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322763 | Magnetic head having a controllable high-permeability tunnel within a low-permeability sleeve | — | 1982-03-30 |
| 4316227 | Multitrack magnetic head employing double helix structure | William W. French | 1982-02-16 |
| 4314298 | Multitrack magnetic head employing double helix structure | William W. French, Richard J. McClure | 1982-02-02 |
| 4302790 | Magnetic recording head with effective magnetic gap length less than about 15.mu. inches | — | 1981-11-24 |
| 4287539 | Segmented video recording with segment identification codes | James A. Bixby, Robert A. Lentz | 1981-09-01 |
| 4237462 | Radar synchronizing apparatus and method | James A. Bixby | 1980-12-02 |
| 4193098 | Segmented video playback apparatus with ancillary recording medium | James A. Bixby, Robert A. Lentz | 1980-03-11 |