Assignee
Inventors
- Stephen F. Cole (10 patents)
- William Steinway (11 patents)
- Daniel O'Donnell (26 patents)
- Richard Sheldon (2 patents)
- James McNeill (5 patents)
- Ronald J. Hill (8 patents)
- Raymond Gill (1 patents)
US Patent 7345618 · Granted Mar 18, 2008