Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931883 | Silicon feedstock for solar cells | Erik Enebakk, Kenneth Friestad, Ragnar Tronstad, Cyrus Zahedi | 2011-04-26 |
| 7381392 | Silicon feedstock for solar cells | Erik Enebakk, Kenneth Friestad, Ragnar Tronstad, Cyrus Zahedi | 2008-06-03 |
| 6482980 | Process for producing maleic acid | Sergio Barbarino | 2002-11-19 |