 
                 Patent Grant
 Patent Grant
                     D773598
 D773598
                    
    
    
    
| Number | Name | Date | Kind | 
|---|---|---|---|
| 4185125 | Sakakibara | Jan 1980 | A | 
| 4186825 | Milliken | Feb 1980 | A | 
| 5244016 | Kuroda | Sep 1993 | A | 
| 5437872 | Lee | Aug 1995 | A | 
| 6073581 | Wang | Jun 2000 | A | 
| 8205578 | Curry | Jun 2012 | B2 | 
| 8985060 | Angle | Mar 2015 | B2 | 
| 9305123 | Leotta | Apr 2016 | B2 | 
| 20160023136 | Raab | Jan 2016 | A1 |