| 5100701 |
Solder-repelling coating for tools |
Helmut Freller, Hans Lorenz, Friedrich Horauf |
1992-03-31 |
| 5061684 |
Production of thin layers of a high temperature superconductor (HTSC) by a plasma-activated physical vapor deposition process, and cathodes used therein |
Helmut Freller |
1991-10-29 |
| 4842710 |
Method of making mixed nitride films with at least two metals |
Helmut Freller |
1989-06-27 |
| 4612100 |
Method for the fabrication of an implantable electrode |
Martin Edeling, Helmut Freller, Konrad Mund |
1986-09-16 |
| 4532174 |
Layer system for opto-electronic displays |
Helmut Freller, Heinrich Hassler, Ludwig Schultz |
1985-07-30 |
| 4400254 |
Method for preparing transparent, electrically conducting indium oxide (In.sub.2 O.sub.3) films |
Helmut Freller |
1983-08-23 |
| 4385976 |
Solderable layer system, its use and method for manufacturing same |
Hans Schuster-Wolden, Helmut Freller, Hans Kruger, Wolfgang Welsch, Andre Peetermans +1 more |
1983-05-31 |