Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861966 | Method and apparatus for electrically heating diesel fuel utilizing a PTC polymer heating element | Michelle Small | 1989-08-29 |
| 4800253 | Electrical devices containing conductive polymers | Lothar W. Kleiner | 1989-01-24 |