Assignee
Inventors
- Vittorino Arnosti (3 patents)
- Konrad Boos (9 patents)
- Bruno Gemperle (2 patents)
- Felix Graf (19 patents)
- Rodolf Leinhard (1 patents)
- Emil Munz (1 patents)
- Richard Rollin (1 patents)
- Rolf Widmer (5 patents)
- Armin Wirz (37 patents)
US Patent 5159166 · Granted Oct 27, 1992