Assignee
Inventors
- Alan Aindow (12 patents)
- Andrew Cleall (19 patents)
- Philip Gordon Haddow (4 patents)
- David Robert Seaward (19 patents)
- Geoffrey W. Vernon (32 patents)
- Peter Ernest Willett (4 patents)
- Stephen William Bird (4 patents)
US Patent 5934043 · Granted Aug 10, 1999