Assignee
Inventors
- Maria de Lurdes dos Santos Cristiano (1 patents)
- John Kynaston Davies (3 patents)
- Sharon Dowd (2 patents)
- Robert Alexander Walker Johnstone (18 patents)
- Michael J. Pratt (13 patents)
- John R. Wade (20 patents)
US Patent 6384264 · Granted May 7, 2002