Assignee
Inventors
- Peter Bartscher (7 patents)
- Erwin Petersen (23 patents)
- Erich Reinecke (24 patents)
- Gunther Singbartl (12 patents)
- Manfred Schniggenfittich (1 patents)
- Gerhard Stegemann, deceased (3 patents)
- Helmut Ulrich (10 patents)
US Patent 5101754 · Granted Apr 7, 1992