Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857880 | Electrical devices comprising cross-linked conductive polymers | Andrew N. Au, Marguerite E. Deep, Timothy E. Fahey | 1989-08-15 |
| 4845838 | Method of making a PTC conductive polymer electrical device | Mary S. McTavish, Frank A. Doljack | 1989-07-11 |
| 4833830 | Hatch closure assembly | Edward T. Prell | 1989-05-30 |