Assignee
Inventors
- Barry Frederick Parsons (2 patents)
- Stephen John Barker (3 patents)
- Donald Edward Yabsley (1 patents)
- Michael John Leighton Kesteven (1 patents)
- Trevor Stanley Bird (6 patents)
- Vincent Miguel Harrigan, deceased (1 patents)
US Patent 5976287 · Granted Nov 2, 1999