Assignee
Inventors
- Michael D. Dowle (27 patents)
- Harry Finch (73 patents)
- Lee Andrew Harrison (22 patents)
- Graham George Adam Inglis (13 patents)
- Martin Redpath Johnson (9 patents)
- Simon John Fawcett MacDonald (22 patents)
US Patent 6228853 · Granted May 8, 2001