Assignee
Inventors
- Klaus Sasse (47 patents)
- Michael D. Hammond (4 patents)
- Friedel Seuter (33 patents)
- Elisabeth Perzborn (101 patents)
- Bernhard Pelster (9 patents)
- Graham Sturton (12 patents)
- Trevor S. Abram (15 patents)
US Patent 4698344 · Granted Oct 6, 1987