Assignee
Inventors
- Peter Wegner (13 patents)
- Martin Kruger (30 patents)
- Gerhard Johann (19 patents)
- Reinhart Rusch (14 patents)
- Richard Rees (32 patents)
- John Clifford Head (40 patents)
- Graham P. Rowson (4 patents)
US Patent 4959094 · Granted Sep 25, 1990