Claims
        
                - 1. A method of converting a warehouse rack into a merchandise storage and display rack, comprising: 
installing an upper secondary front-rear stretcher in a first location upon the warehouse rack; supporting opposite ends of the upper secondary front-rear stretcher upon the warehouse rack in the first location; installing a lower secondary front-rear stretcher in a second location upon the warehouse rack, the second location having a lower elevation in the warehouse rack than the first location; supporting opposite ends of the lower secondary front-rear stretcher upon the warehouse rack in the second location; and coupling a secondary upright to the first and second secondary front-rear stretchers.
 
                - 2. A method of converting a warehouse rack having a front and a rear into a merchandise storage and display rack, the method comprising: 
coupling a front end of an upper secondary front-rear stretcher to a front upright of the warehouse rack; coupling a rear end of the upper secondary front-rear stretcher to a rear upright of the warehouse rack; supporting the front and rear ends of the upper secondary front-rear stretcher upon the front and rear uprights of the warehouse rack, respectively; coupling a front end of a lower secondary front-rear stretcher to the front upright of the warehouse rack; coupling a rear end of the lower secondary front-rear stretcher to the rear upright of the warehouse rack; supporting the front and rear ends of the lower secondary front-rear stretcher upon the front and rear uprights of the warehouse rack, respectively; and coupling a merchandise display and support element to the upper and lower secondary front-rear stretchers at a location between a front and a rear of the warehouse rack.
 
                - 3. A method of converting a warehouse rack having a front and a rear into a merchandise storage and display rack, the method comprising: 
coupling a front end of a first secondary front-rear stretcher to the warehouse rack at a first location at the front of the warehouse rack; coupling a rear end of the first secondary front-rear stretcher to the warehouse rack at a second location at the rear of the warehouse rack; coupling a front end of a second secondary front-rear stretcher to the warehouse rack at a third location at the front of the warehouse rack, the third location spaced laterally from the first location; coupling a rear end of the second secondary front-rear stretcher to the warehouse rack at a fourth location at the rear of the warehouse rack, the fourth location spaced laterally from the second location; and coupling a merchandise display and support element to the first and second secondary front-rear stretchers at a location between the front and rear ends of the first and second secondary front-rear stretchers.
 
        
                
                        CROSS-REFERENCE TO RELATED APPLICATIONS
        [0001] This is a continuation of U.S. patent application Ser. No. 10/155,851 filed on May 24, 2002, which claims priority to U.S. Provisional Patent Application Serial. No. 60/293,954 filed on May 25, 2001 and U.S. Provisional Patent Application Serial No. 60/378,773 filed on May 8, 2002 having the same title. Priority is hereby claimed to these earlier-filed patent applications, the entire contents of which are incorporated herein by reference.
                
                
                
                        Provisional Applications (2)
        
            
                
                     | 
                    Number | 
                    Date | 
                    Country | 
                
            
            
    
         | 
            60378773 | 
        May 2002 | 
        US | 
    
    
         | 
            60293954 | 
        May 2001 | 
        US | 
    
            
        
        Continuations (1)
        
            
                
                     | 
                    Number | 
                    Date | 
                    Country | 
                
            
            
    
        | Parent | 
            10155851 | 
        May 2002 | 
        US | 
    
    
        | Child | 
            10824007 | 
        Apr 2004 | 
        US |