Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7102737 | Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light | Mark Eyolfson, Elton J. Hochhalter, Joe Lee Phillips, David Johnson | 2006-09-05 |
| 6831734 | Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light | Mark Eyolfsou, Elton J. Hochhalter, Joe Lee Phillips, David Johnson | 2004-12-14 |
| 6704107 | Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light | Mark Eyolfson, Elton J. Hochhalter, Joe Lee Phillips, David Johnson | 2004-03-09 |
| 6369887 | Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light | Mark Eyolfson, Elton J. Hochhalter, Joe Lee Phillips, David Johnson | 2002-04-09 |
| 6256094 | Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light | Mark Eyolfson, Elton J. Hochhalter, Joe Lee Phillips, David Johnson | 2001-07-03 |
| 6179448 | Automated light tuner | David Johnson, Joe Lee Phillips, Robert James Hatfield | 2001-01-30 |