Assignee
Inventors
- Ronald J. Brinkerhoff (19 patents)
- Rudolph H. Nobis (100 patents)
- Helmut Wolf (2 patents)
- Federico Bilotti (34 patents)
- William D. Fox (61 patents)
- Mark S. Zeiner (211 patents)
- E. David Allen (12 patents)
US Patent 5205459 · Granted Apr 27, 1993