Issued Patents All Time
Showing 1–5 of 5 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 |
| 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 |
| 5072541 | Methods and apparatus for destroying snails | Milton M. T. Chang | 1991-12-17 |