Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885080 | Process for demetallizing and desulfurizing heavy crude oil | Robert J. Hogan, Daniel Coombs, Simon G. Kukes | 1989-12-05 |
| 4885621 | Monolithic pressure sensitive integrated circuit | Douglas J. Yoder, Paul E. Stevenson, Donald L. Hornback, Ronald K. Leisure | 1989-12-05 |
| 4850227 | Pressure sensor and method of fabrication thereof | Michael Luettgen, Dennis M. Koglin, Mark B. Kearney, John Hart | 1989-07-25 |