Assignee
Inventors
- John Richard Calvert (11 patents)
- Robert Stanley Cook (5 patents)
- Michael A. Hobbs (14 patents)
- Ann-Marie Leighton (4 patents)
- Gordon T. Simpkin (9 patents)
- Roy Trunley (6 patents)
- Anthony Douglas West (2 patents)
US Patent 5522383 · Granted Jun 4, 1996