Assignee
Inventors
- Richard S. Mullin (5 patents)
- William Allen (20 patents)
- Maurice Gell (12 patents)
- Richard H. Barkalow (4 patents)
- Allan A. Noetzel (9 patents)
- John W. Appleby (9 patents)
- Abdus Khan (21 patents)
US Patent 5687679 · Granted Nov 18, 1997