Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422779 | Packaged solid-state surge protector | William P. Trumble, James E. Anderson, Robin McIntyre | 1995-06-06 |
| 4939619 | Packaged solid-state surge protector | William P. Trumble, James E. Anderson, Robin McIntyre | 1990-07-03 |
| 4876620 | Protection devices and arrangements for telephone lines | — | 1989-10-24 |
| 4868703 | Solid state switching device | — | 1989-09-19 |
| 4760439 | Bi-directional overvoltage protection device | — | 1988-07-26 |
| 4636715 | Digital display ohmmeter | — | 1987-01-13 |
| 4625255 | Interactive overvoltage protection device | James E. Anderson, Frederick Caldwell Livermore | 1986-11-25 |