Assignee
Inventors
- Michael J. Broadhurst (23 patents)
- Christopher Huw Hill (9 patents)
- David Nigel Hurst (12 patents)
- Philip Jones (32 patents)
- Paul Brittain Kay (5 patents)
- Ian Reginald Kilford (3 patents)
- Robert Murray McKinnell (74 patents)
US Patent 6867299 · Granted Mar 15, 2005