Assignee
Inventors
- David John Ritchie (8 patents)
- Hannah Sallie Robertson McCann (3 patents)
- Jennifer Ann White (5 patents)
- Kirstin Maccormick (2 patents)
- Raymond Vincent Heavon Jones (28 patents)
- Robin Fieldhouse (3 patents)
US Patent 6207840 · Granted Mar 27, 2001