Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469426 | Incandescent lamp having a helical coil that comprises multiple sections of different pitches | Derek Peter Hurst, Paul Anthony Grazier, Anthony John Perrin, Francis Decort | 2002-10-22 |
| 4682359 | Television picture and sound scrambler and method | — | 1987-07-21 |
| 4575753 | Method of and apparatus for scrambling and decoding television and similar signals with wobbulating trapping | Isaac S. Blonder | 1986-03-11 |
| 4494142 | Method of and apparatus for scrambled television program addressable subscription selection and decoding | — | 1985-01-15 |
| 4348691 | Master antenna subscription television system and the like | — | 1982-09-07 |