 
                 Patent Grant
 Patent Grant
                     D741503
 D741503
                    
    
    
    
    
    
    
    
    
    
    
| Number | Name | Date | Kind | 
|---|---|---|---|
| 1514038 | Douglas | Nov 1924 | A | 
| 1704689 | Berg | Mar 1929 | A | 
| D103937 | Iannelli | Apr 1937 | S | 
| D196039 | Hollaender | Aug 1963 | S | 
| 3733759 | Schulte et al. | May 1973 | A | 
| D242546 | Day et al. | Nov 1976 | S | 
| 4733507 | Doublet | Mar 1988 | A | 
| D305689 | Lerch | Jan 1990 | S |