Assignee
Inventors
- Heinz U. Blank (90 patents)
- Erich Wolters (21 patents)
- Bernhard Beitzke (11 patents)
- Karlfried Wedemeyer (46 patents)
- Michael Herzhoff (3 patents)
- Karl-Wilhelm Henneke (4 patents)
- Guido Steffan (38 patents)
- Otto Neuner (9 patents)
US Patent 4760209 · Granted Jul 26, 1988