Assignee
Inventors
- Wihelm Rademacher (1 patents)
- Charles W. Helpert (3 patents)
- Charles W. Finch (15 patents)
- Mary Callan (6 patents)
- Hans von Amsberg (3 patents)
- Johannes Jung (1 patents)
- Peter Eberhard Schott (1 patents)
US Patent 5869424 · Granted Feb 9, 1999