| 
                     
                        | (84) | Designated Contracting States: |  
                        |  | AT BE CH DE DK ES FR GB GR IT LI LU NL SE |  
 
                     
                        | (30) | Priority: | 06.06.1990 US 19900534164 15.08.1990 US 19900567974
 14.02.1991 US 19910654008
 
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                        | (60) | Divisional application: |  
                        |  | 92122165.1 / 0553501 |  
 
                     
                        | (60) | Divisional application: |  
                        |  | 94103974.5 / 0612881 |  
 
                     
                        | (60) | Divisional application: |  
                        |  | 94103975.2 / 0612882 |  
 
                     
                        | (71) | Applicant: ASTEN GROUP, INC. |  
                        |  | Charleston, SC 29411-0700 (US) |  
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                        | (72) | Inventor: |  
                        |  | 
                              LEE, Henry, J.Summerville, SC 29483 (US)
 |  
 
                     
                        | (74) | Representative: Boydell, John Christopher, et al |  
                        |  | Stevens, Hewlett & Perkins 1 Serjeants' Inn Fleet Street London EC4Y 1LL
 London EC4Y 1LL (GB)
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