Assignee
Inventors
- Jonathan Donson (8 patents)
- William O. Dawson (18 patents)
- George L. Grantham (4 patents)
- Thomas H. Turpen (35 patents)
- Ann Myers Turpen (8 patents)
- Stephen J. Garger (33 patents)
- Laurence K. Grill (21 patents)
US Patent 7192740 · Granted Mar 20, 2007