Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972123 | Power-reducing circuit for fluorescent and for high-intensity incandescent lighting fixtures | — | 1990-11-20 |
| 4929871 | Transformerless current-limiting circuit | — | 1990-05-29 |
| RE33187 | Stable stretched surface recording medium | Jerry L. Alexander, Sankar B. Narayan, Charles E. Nelson | 1990-03-27 |
| 4883981 | Dynamoelectric machine having ironless stator coil | — | 1989-11-28 |
| 4814654 | Stator or rotor based on permanent magnet segments | — | 1989-03-21 |
| 4750067 | Head positioning mechanism for data cartridge recorder | — | 1988-06-07 |
| 4729805 | Recording medium annealing process | Jerry L. Alexander, Sankar B. Narayan, Charles E. Nelson | 1988-03-08 |
| 4712977 | Axial fan | — | 1987-12-15 |
| 4625384 | Method of making a recording disc | — | 1986-12-02 |
| 4623570 | Stable stretched surface recording medium | Jerry L. Alexander, Sankar B. Narayan, Charles E. Nelson | 1986-11-18 |
| 4610601 | Method of making axial fan impeller | — | 1986-09-09 |
| 4581667 | Magnetic hold-down for recording disc | — | 1986-04-08 |
| 4573096 | Clam-shell cartridge for recording disc | — | 1986-02-25 |
| 4464693 | Snap-action cartridge for recording disc | — | 1984-08-07 |
| 4365257 | Stretched-film optical recording disc | — | 1982-12-21 |