Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772077 | Electric arc monitoring systems | Michael Parker, Howard M. Ham, Jr., James J. Keenan | 2004-08-03 |
| 6747459 | Electric arc monitoring systems | Michael Parker, Howard M. Ham, Jr., James J. Keenan | 2004-06-08 |