Assignee
Inventors
- Robert John Sykes (28 patents)
- William T. Walker (47 patents)
- Benjamin Kingsley Stuart Pcecock (1 patents)
- David Lilley (7 patents)
- Andrew Glyn Richard Cartwright (1 patents)
- Steven J. H. Ainsworth (4 patents)
US Patent 6672761 · Granted Jan 6, 2004