Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6287983 | Selective nitride etching with silicate ion pre-loading | Thomas Parrill, Brian K. Kirkpatrick | 2001-09-11 |
| 6228741 | Method for trench isolation of semiconductor devices | Shawn T. Walsh, John E. Campbell, James B. Friedmann, Thomas Parrill, Joshua Robbins +2 more | 2001-05-08 |
| 5531900 | Modification of polyvinylidene fluoride membrane and method of filtering | Srini Raghavan, Raghunath Chilkunda | 1996-07-02 |