Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027136 | Surge suppression device having one or more rings | Chris Penwell, Bogdan B. Klobassa | 2011-09-27 |
| 7944670 | Surge protection circuit for passing DC and RF signals | Chris Penwell | 2011-05-17 |