Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882413 | Rotating head ellipsometer | — | 2005-04-19 |
| 6861619 | Method and apparatus for preparing semiconductor wafers for measurement | Michial Duff Howell | 2005-03-01 |
| 6624393 | Method and apparatus for preparing semiconductor wafers for measurement | Michial Duff Howell | 2003-09-23 |
| 6261853 | Method and apparatus for preparing semiconductor wafers for measurement | Michial Duff Howell | 2001-07-17 |
| 5191940 | Oil/gas separator for installation at burning wells | Carol T. Alonso, Donald Bender, Alan K. Burnham, Dwayne A. Chesnut, William J. Comfort, III +6 more | 1993-03-09 |