Ex Parte LANGE et al - Page 2




              Appeal No. 1998-0900                                                                                        
              Application No. 08/290,047                                                                                  





























                     The references relied on by the examiner are:                                                        
                     Wagner et al. (Wagner)              3,850,646                    Nov. 26, 1974                       
                     Heilmann et al. (Heilmann)          4,304,705                    Dec. 08, 1981                       
                     Ishii et al. (Ishii)                4,396,706                    Aug. 02, 1983                       

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