Assignee
No assignee recorded.
Inventors
- Pierre Boillat (7 patents)
- Ralf Martin (3 patents)
- Urs Portmann (4 patents)
- Christian Richter (25 patents)
- Rudolf Scholz (4 patents)
- Leopold Seczer (2 patents)
US Patent 5934644 · Granted Aug 10, 1999
No assignee recorded.