Assignee
Inventors
- Donald W. Renfroe (11 patents)
- Roy G. Brown (8 patents)
- David A. Bilbrey (5 patents)
- Richard L. Frantom (20 patents)
- Steven L. Ludeke (2 patents)
- Richard K. Robbins (3 patents)
- Richard Husband (2 patents)
- James Rose (18 patents)
US Patent 5660412 · Granted Aug 26, 1997