Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6187216 | Method for etching a dielectric layer over a semiconductor substrate | Paul William Dryer, Ralph A. Dyrsten | 2001-02-13 |
| 5824601 | Carboxylic acid etching solution and method | Patrick P. H. Dao, Paul William Dryer, Ping Lue, Terry Andrew Willett, Margaret L. Kniffin +1 more | 1998-10-20 |
| 5593538 | Method for etching a dielectric layer on a semiconductor | Paul William Dryer, Wendy Wilson | 1997-01-14 |
| 4355620 | Fuel system for an internal combustion engine | Alec H. Seilly, Dorian F. Mowbray, John E. Mardell | 1982-10-26 |
| 4328697 | Transducer calibration device | Brian W. Tumber | 1982-05-11 |
| 4295453 | Fuel system for an internal combustion engine | Alec H. Seilly, Dorian F. Mowbray, John E. Mardell | 1981-10-20 |