Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757575 | Track-curvature detection using clock phase shift in azimuth recording | Kurt Hallamasek, George R. Varian | 1998-05-26 |
| 5729400 | Data recorder using still framing techniques for information retrieval and method | — | 1998-03-17 |
| 5341251 | Data recording system having longitudinal tracks with recordable segments | Jeffrey L. Fincher, Kurt Hallamasek | 1994-08-23 |