Assignee
Inventors
- Phillip King Parnell, Sr. (19 patents)
- David Dolan (8 patents)
- Richard W. Abrams (58 patents)
- Michael F. Widman (72 patents)
- Ronaldus Joannes Cornelis Maria Kok (7 patents)
- Edwin van Doorn (2 patents)
US Patent 6708397 · Granted Mar 23, 2004