Assignee
Inventors
- Gunter Prescher (19 patents)
- Gerd Schreyer (15 patents)
- Otto Weiberg (3 patents)
- Rolf Wirthwein (8 patents)
- Helmut Waldmann (52 patents)
- Hermann Seifert (18 patents)
- Wulf Schwerdtel (11 patents)
- Wolf Swodenk (2 patents)
US Patent RE31381 · Granted Sep 13, 1983