Assignee
Inventors
- Martin D. Barratt (3 patents)
- Paul A. Bowser (8 patents)
- James A. Durrant (5 patents)
- Dieno George (2 patents)
- Keith J. Hall (2 patents)
- John Hill (17 patents)
- Michael R. Lowry (13 patents)
- Colin Prottey (5 patents)
US Patent 4612331 · Granted Sep 16, 1986