Issued Patents All Time
Showing 1–11 of 11 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, David Johnson, Peter S. Frank | 2006-09-05 |
| 6937005 | Rotating gripper wafer flipper | Willard L. Hofer, Shawn D. Davis | 2005-08-30 |
| 6909276 | Rotating gripper wafer flipper | Willard L. Hofer, Shawn D. Davis | 2005-06-21 |
| 6831734 | Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light | Mark Eyolfsou, Elton J. Hochhalter, David Johnson, Peter S. Frank | 2004-12-14 |
| 6828772 | Rotating gripper wafer flipper | Willard L. Hofer, Shawn D. Davis | 2004-12-07 |
| 6704107 | Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light | Mark Eyolfson, Elton J. Hochhalter, David Johnson, Peter S. Frank | 2004-03-09 |
| 6429928 | Method and apparatus employing external light source for endpoint detection | David Johnson, Todd Nielsen, Robert James Hatfield | 2002-08-06 |
| 6369887 | Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light | Mark Eyolfson, Elton J. Hochhalter, David Johnson, Peter S. Frank | 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, David Johnson, Peter S. Frank | 2001-07-03 |
| 6179448 | Automated light tuner | David Johnson, Peter S. Frank, Robert James Hatfield | 2001-01-30 |
| 5969805 | Method and apparatus employing external light source for endpoint detection | David Johnson, Todd Nielsen, Robert James Hatfield | 1999-10-19 |