Assignee
Inventors
- Kenneth E. Daggett (22 patents)
- Richard A. Johnson (24 patents)
- Leonard C. Vercellotti (21 patents)
- Richard J. Casler, Jr. (57 patents)
- Eimei M. Onaga (16 patents)
- Lane L. Woodland (7 patents)
US Patent 4980838 · Granted Dec 25, 1990