Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790501 | Limited-play optical media with improved shelf-life and playability | Hendrik Theodorus van de Grampel, Jan-Pleun Lens, Marc Brian Wisnudel, Daniel R. Olson, Joe Parker +1 more | 2004-09-14 |
| 6680270 | Regeneration of catalysts used in the manufacture of bisphenols | Rudy Francois Alain Jos Peemans, Alexey Kruglov, Sheldon J. Shafer, Chuks O. Mbeledogu, Darlene Hope Nance +3 more | 2004-01-20 |