Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522667 | Method for making multi-layer metal core circuit board laminate with a controlled thermal coefficient of expansion | John R. Hanson, James L. Hauser, James F. Kilfeather, Jr. | 1985-06-11 |
| 4496793 | Multi-layer metal core circuit board laminate with a controlled thermal coefficient of expansion | John R. Hanson, James L. Hauser, James F. Kilfeather, Jr. | 1985-01-29 |
| 4233522 | Capacitive touch switch array | William L. Grummer | 1980-11-11 |