Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316973 | Method of making semiconducting ferroelectric PTCR devices | Da Yu Wang, Thomas Middleton, Burton W. MacAllister, Jr. | 1994-05-31 |
| 5304294 | Method and apparatus for sensing nox | Da Yu Wang, Burton W. MacAllister, Jr. | 1994-04-19 |
| 5296424 | System of dielectric ceramic compositions suitable for microwave applications | Da Yu Wang, Burton W. MacAllister, Jr., Joanne Browne, Kazumasa Umeya | 1994-03-22 |
| 5281845 | PTCR device | Da Yu Wang, Thomas Middleton, Burton W. MacAllister, Jr. | 1994-01-25 |