Assignee
Inventors
- Robert R. Keller (11 patents)
- Walter L. Magee (16 patents)
- William D. Varnell (7 patents)
- John W. McKenna (1 patents)
- George N. Ghattas (1 patents)
- Jonathan A. Beaupre (1 patents)
- Janet D. Virr (1 patents)
US Patent 8217087 · Granted Jul 10, 2012