Assignee
Inventors
- Richard Mansfield Beams (3 patents)
- Martin James Drysdale (22 patents)
- Karl Franzmann (18 patents)
- Anthony Joseph Frend (2 patents)
- Harold Francis Hodson (21 patents)
- Richard Graham Knowles (4 patents)
- Daryl Rees (6 patents)
- David A. Sawyer (11 patents)