Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975800 | Fused silica-based optical waveguide and method for its manufacture | Wolfgang Dultz, Walter Heitmann | 2005-12-13 |
| 6490399 | Glass for optical waveguides or the like | Walter Heitmann | 2002-12-03 |
| 6485687 | Thin-layer chromatography apparatus | Bernd Spangenberg | 2002-11-26 |
| 6220059 | Method of coating a UV-fiber with blocking layers and charging the fiber with hydrogen or deuterium | Georg HILLRICHS, Ulrich Grzesik, Shigeru Yamagata | 2001-04-24 |
| 6130981 | Gamma radiation sterilized fiber optic UV delivery systems | Gary Nelson | 2000-10-10 |
| 4915474 | Transmission line for optical radiation and applications thereof | Walter Heitmann | 1990-04-10 |
| 4676814 | Method for the continuous building of a hollow cylindrical soot body having no internal support | Dieter Ross, Hans-Ulrich Bonewitz, Uwe Christiansen, Albert Muhlich, Karlheinz Rau +4 more | 1987-06-30 |