Assignee
Inventors
- H. Thomas Graef (216 patents)
- Damon J. Blackford (58 patents)
- Mike R. Ryan (50 patents)
- William D. Beskitt (114 patents)
- Thomas A. VanKirk (44 patents)
- Stephen Stone (5 patents)
- David A. Peters (93 patents)
US Patent 8336767 · Granted Dec 25, 2012