Assignee
Inventors
- Paul B. Walton (1 patents)
- James Douglas Keough (1 patents)
- Richard L. Demers (8 patents)
- Leland A. Denny, Jr. (1 patents)
- Robert E. Kaiser (1 patents)
- Cornellius Moses, Jr. (1 patents)
- Vijay N. Wagh (1 patents)
US Patent 4930151 · Granted May 29, 1990