Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980076 | Electrical apparatus with synthetic fiber and binder reinforced cellulose insulation paper | Richard L. Stegehuis, Richard M. Marusinec, Sam J. Ferrito | 2005-12-27 |
| 6933824 | Polymer sheet core and coil insulation for transformers | Richard M. Marusinec, Stewart W. Durian | 2005-08-23 |