Assignee
Inventors
- Randy Jones (9 patents)
- Carl Youngberg (5 patents)
- Clayton G. Gardner (9 patents)
- Robert Struk (2 patents)
- Unknown
- Michael Thompson (5 patents)
- George Bradshaw (6 patents)
- James Charles Brick (1 patents)
- Jan Unter (8 patents)
US Patent 7748807 · Granted Jul 6, 2010