Assignee
Inventors
- David Floyd (26 patents)
- John T. Hunt (20 patents)
- Spencer David Kimball (36 patents)
- John Krapcho (32 patents)
- Jagabandhu Das (82 patents)
- George C. Rovnyak (24 patents)
- Joel C. Barrish (50 patents)
US Patent 4902684 · Granted Feb 20, 1990