Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8604825 | Radiation hardened circuit design for multinode upsets | — | 2013-12-10 |
| 6127864 | Temporally redundant latch for preventing single event disruptions in sequential integrated circuits | David G. Mavis | 2000-10-03 |
| 4820996 | Amplifying arrangements | Roy Heppinstall, George I. F. Tupper, Edmund K. Tunstall | 1989-04-11 |
| 4733192 | Amplifying arrangements including a klystron having a power transfer characteristic which is substantially the same over its entire passband | Roy Heppinstall, George I. F. Tupper, Edmund K. Tunstall | 1988-03-22 |