Assignee
Inventors
- William M. Clark, Jr. (55 patents)
- Mark W. Utlaut (44 patents)
- Robert G. Behrens (2 patents)
- Eugene G. Szklarz (2 patents)
- Edmund K. Storms (3 patents)
- Robert P. Santandrea (1 patents)
- Lynwood W. Swanson (13 patents)
US Patent 4775818 · Granted Oct 4, 1988