Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756081 | Hollow cylindrical cathode sputtering target and process for producing it | David Francis Lupton, Ralf Heck, Oliver Warkentin | 2004-06-29 |
| 6719034 | Process for producing a tube-shaped cathode sputtering target | Ralf Heck, Rainer Jüttner, David Francis Lupton, Egon Maier, Peter Mainz +2 more | 2004-04-13 |