Appeal No. 1997-0164 Application 08/349,300 Simelunas is directed to co-extrusion of two dissimilar materials such as dough pieces (col. 1, ll. 10-27; col. 2, ll. 46-54). The examiner has not set forth any suggestion as to why one of ordinary skill in the art would have been led to combine 9Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007