Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887795 | Open-celled, electrically conductive ceramic network | Charles I. Kowalski | 1989-12-19 |
| 4568855 | Spark plug | Clifford C. McMahon, Daniel Lee Tribble | 1986-02-04 |
| 4511524 | Carbon resistor and method for producing same | Charles I. Kowalski | 1985-04-16 |
| 4433092 | Green ceramic of lead-free glass, conductive carbon, silicone resin and AlPO.sub.4, useful, after firing, as an electrical resistor | — | 1984-02-21 |
| 4402894 | Production of a ceramic resistor | Frank J. Russell | 1983-09-06 |