Assignee
Inventors
- Robert C. Dean, Jr. (24 patents)
- Frederick H. Silver (17 patents)
- Richard A. Berg (54 patents)
- Philip G. Phillips (4 patents)
- Peter W. Runstadler, Jr. (6 patents)
- Gennaro J. Maffia (5 patents)
US Patent 4863856 · Granted Sep 5, 1989