Assignee
Inventors
- Norbert Matzat (5 patents)
- Gunther Hildebrand (1 patents)
- Ferdinand Richter (6 patents)
- Manfred Stepanski (16 patents)
- Florian Lippuner (3 patents)
- Herbert Engstler (2 patents)
- Bernhard J. Jans (2 patents)
US Patent 6074548 · Granted Jun 13, 2000