Assignee
Inventors
- Cornelis P. van Dam (9 patents)
- Helmut Heidrich (15 patents)
- Karl M. Hamacher (1 patents)
- Cornelis Adrianus Marinus Steenbergen (3 patents)
- Meint Koert Smit (3 patents)
- Carl-Michael Weinert (6 patents)
US Patent 5838844 · Granted Nov 17, 1998