 
                 Patent Grant
 Patent Grant
                     D628668
 D628668
                    
    
    
| Number | Name | Date | Kind | 
|---|---|---|---|
| D219825 | Wormser | Feb 1971 | S | 
| D246477 | Callecod | Nov 1977 | S | 
| D316889 | Smith | May 1991 | S | 
| D413957 | Briggs | Sep 1999 | S | 
| D472954 | Kohler | Apr 2003 | S | 
| D515166 | Montfort | Feb 2006 | S | 
| D554227 | Yates et al. | Oct 2007 | S | 
| D559935 | Wingerstahn | Jan 2008 | S | 
| 7578745 | Wingerstahn | Aug 2009 | B2 | 
| D615607 | Hwang | May 2010 | S | 
| D620066 | Kohler | Jul 2010 | S |