Assignee
Inventors
- Russell M. Hagan (4 patents)
- Keith Thomas Bunce (10 patents)
- Alan Naylor (64 patents)
- Mark Ladlow (6 patents)
- Andrew B. McElroy (6 patents)
- Andrew Richard Whittington (2 patents)
- Barry A. Coomber (6 patents)
US Patent 5360820 · Granted Nov 1, 1994