Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621258 | Electro-optic high voltage sensor | James R. Davidson | 2003-09-16 |
| 6388434 | Electro-optic high voltage sensor | James R. Davidson | 2002-05-14 |
| 6362615 | Electro-optic voltage sensor for sensing voltage in an E-field | James R. Davidson, Thomas M. Crawford | 2002-03-26 |
| 5593509 | Portable thermo-photovoltaic power source | Anthony C. Zuppero, Barton Krawetz, C. Rodger Barklund | 1997-01-14 |