Assignee
Inventors
- Alan J. Billington (3 patents)
- Stephen C. N. Brown (3 patents)
- Barry Snelson (2 patents)
- Joseph H. Drayton (1 patents)
- Stephen A. Wood (1 patents)
- Paul H. Desborough (1 patents)
- Stuart Slater (1 patents)
US Patent 5575378 · Granted Nov 19, 1996