Assignee
Inventors
- Sydney Welt (19 patents)
- Chaitanya R. Divgi (5 patents)
- Samual Yeh (3 patents)
- Lloyd J. Old (135 patents)
- Herbert F. Oettgen (20 patents)
- Francisco Real (8 patents)
- Junichi Sakamoto (18 patents)
US Patent 5643550 · Granted Jul 1, 1997