Assignee
Inventors
- Lee E. Perdelwitz, Jr (1 patents)
- Robert H. Young (17 patents)
- Ron H. Iff (4 patents)
- David E. Hanke (8 patents)
- Kathleen S. Allison (2 patents)
- Raimo K. Rahkonen (2 patents)
- Amar N. Neogi (79 patents)
US Patent 4886697 · Granted Dec 12, 1989