Assignee
Inventors
- Norman L. Siegel (8 patents)
- Gregory M. Bird (40 patents)
- Kenneth G. Rhineberger (2 patents)
- James Bacnik (12 patents)
- Paul A. Mueller (51 patents)
- Daniel J. Kump (41 patents)
- William H. Walker (58 patents)
US Patent 8260456 · Granted Sep 4, 2012