Assignee
Inventors
- Mavis Adam (4 patents)
- Mark Andrews (19 patents)
- Mark Elliott (3 patents)
- Geoffrey E. Gymer (12 patents)
- David Hepworth (29 patents)
- Harry Howard (64 patents)
- Donald Middleton (26 patents)
- Alan Stobie (24 patents)
US Patent 6610747 · Granted Aug 26, 2003