Assignee
Inventors
- Gordon Francis Meijs (40 patents)
- Bronwyn Glenice Laycock (18 patents)
- Madeleine Clare Griffiths (2 patents)
- Edith Cheong (2 patents)
- John Gerard Steele (9 patents)
- Graham Johnson (12 patents)
US Patent 5994133 · Granted Nov 30, 1999