Assignee
Inventors
- Patrick Arthur White (7 patents)
- Malcolm Hayhurst (11 patents)
- Alan R Owens (5 patents)
- Ian David Roughsedge (3 patents)
- Richard James Davies (3 patents)
- Alan Sellars (10 patents)
- Jacqueline Faye MacDonald (4 patents)
- Michael C. Quigley (14 patents)
- Ralph Draper (4 patents)
- Ronald Derek Payne (4 patents)