Assignee
Inventors
- Ralf Anderskewitz (48 patents)
- Kurt Schromm (45 patents)
- Ernst-Otto Renth (31 patents)
- Franz Birke (21 patents)
- Armin Fugner (15 patents)
- Hubert Heuer (51 patents)
- Christopher Meade (27 patents)
US Patent 5686496 · Granted Nov 11, 1997