Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439738 | Battery powered portable electric light source systems | John W. Matthews, Paul Y. Kim | 2002-08-27 |
| 6362629 | Electric arc monitoring systems | Michael Parker, Howard M. Ham, Jr., James J. Keenan | 2002-03-26 |