Assignee
Inventors
- Edward H. Betts, Jr. (8 patents)
- William A. Calliss (1 patents)
- Phillip J. Houtz (11 patents)
- Clark C. Schweigert (2 patents)
- Steven Swanson (18 patents)
- Shawn J. Weck (4 patents)
- Brian R. Weller (7 patents)
US Patent 5375577 · Granted Dec 27, 1994