Assignee
Inventors
- Alan Martin Birch (15 patents)
- Roger John Butlin (20 patents)
- Leonie Campbell (3 patents)
- Clive Green (3 patents)
- Andrew Leach (8 patents)
- Michael James Waring (25 patents)
- Paul Murray (8 patents)
- Per Olof Ryberg (4 patents)
US Patent 8188092 · Granted May 29, 2012