Assignee
Inventors
- John J. Comfort (5 patents)
- Paul A. Hayter (2 patents)
- Dinesh Kargathra (2 patents)
- Brian Mason (5 patents)
- Graham N. Turner (2 patents)
- Ian R. Fisher (1 patents)
- John W. Bailey (16 patents)
US Patent 4807161 · Granted Feb 21, 1989