Assignee
Inventors
- Robert Erhardt (16 patents)
- Oscar Deurloo (25 patents)
- Jerzy Janczak (23 patents)
- Hendrik Anton Van Esveld (10 patents)
- Winston Donald Couwenberg (9 patents)
- Ronald Hans Van Der Voort (10 patents)
US Patent 6686703 · Granted Feb 3, 2004