Assignee
Inventors
- Zhao-Zhi Yu (11 patents)
- Charles H. Tabb (22 patents)
- John F. O'Brien (30 patents)
- James R. Beachner (9 patents)
- Mark A. Gwaltney (10 patents)
- Meng H. Lean (83 patents)
- Jeffrey J. Folkins (157 patents)
US Patent 5579100 · Granted Nov 26, 1996