Assignee
Inventors
- Ernst Orthmann (5 patents)
- Klaus Wulff (2 patents)
- Peter Hoeltzenbein (3 patents)
- Helmut Judat (12 patents)
- Hans Wagner (16 patents)
- Gottfried Zaby (19 patents)
- Herbert Heidingsfeld (21 patents)
US Patent 5908913 · Granted Jun 1, 1999