Assignee
Inventors
- Peter Nüsser (20 patents)
- Johannes Müller (32 patents)
- Hans-Erhard Peters (10 patents)
- Norbert Buske (4 patents)
- Werner Neumann (8 patents)
- Kurt Graichen (20 patents)
- Conrad Kauffeldt (2 patents)
US Patent 6719791 · Granted Apr 13, 2004