Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8659857 | Leakage current detection and interruption circuit powered by leakage current | — | 2014-02-25 |
| 8128434 | Electrical adapter with fuse | Kerrie L. Campbell, Peter A. Czerner, Frank S. Brugner, Douglas B. Tilghman | 2012-03-06 |
| 8064174 | Leakage current detection and interruption circuit with improved shield | Thomas Scott Williams, Frank S. Brugner | 2011-11-22 |
| D609642 | Electrical adaptor | Kerrie L. Campbell, Peter A. Czerner, Frank S. Brugner, Douglas B. Tilghman | 2010-02-09 |
| 7623329 | Leakage current detection and interruption circuit with improved shield | Thomas Scott Williams, Frank S. Brugner | 2009-11-24 |
| 7423854 | Interruption circuit with improved shield | Frank S. Brugner | 2008-09-09 |