Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6933824 | Polymer sheet core and coil insulation for transformers | Richard M. Marusinec, David J. Rolling | 2005-08-23 |
| D432639 | Cooling fin with ripples | Stephen Durian | 2000-10-24 |
| D431073 | Liquid filled cooling fin with reinforcing ribs | Stephen Durian | 2000-09-19 |
| 6050329 | Cooling fin with reinforcing ripples | Stephen Durian | 2000-04-18 |
| 5894884 | Liquid filled cooling fin with reinforcing ribs | Stephen Durian | 1999-04-20 |