Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5386238 | Combination TV receiver and teletext processor with on-screen message capability | John R. Kinghorn, David R. Tarrant | 1995-01-31 |
| 5184220 | Teletext decoder apparatus including feature of inhibiting generation of an end-of-page signal | John R. Kinghorn | 1993-02-02 |