Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330703 | Layered self-regulating heating article | Bernard J. Lyons, Robert Smith-Johannsen | 1982-05-18 |
| 4314145 | Electrical devices containing PTC elements | — | 1982-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330703 | Layered self-regulating heating article | Bernard J. Lyons, Robert Smith-Johannsen | 1982-05-18 |
| 4314145 | Electrical devices containing PTC elements | — | 1982-02-02 |