Assignee
Inventors
- Ekkehard Niemann (6 patents)
- Juergen Schneider (36 patents)
- Harald Mueller (26 patents)
- Karin Maier, deceased (1 patents)
- Hildegard Inge Maier, heiress (1 patents)
- Elke Maier, heiress (1 patents)
US Patent 5856231 · Granted Jan 5, 1999