Assignee
Inventors
- Ludger Heiliger (32 patents)
- Hans-Ulrich Siegmund (7 patents)
- Herbert Hugl (29 patents)
- Antonius Lobberding (8 patents)
- Eberhard Kuckert (10 patents)
- Bruno Bomer (39 patents)
- Thomas Böcker (15 patents)
- Gunther Franke (2 patents)
US Patent 5298583 · Granted Mar 29, 1994