0000950116-01-500783 424B3 1 20010905 DIGITAL DESCRIPTOR SYSTEMS INC 0000927454 7372 232770048 DE 1231 424B3 33 333-59888 1731528 2010F CABOT BLVD WEST LANGHORNE PA 19047 2157520963 2010 F CABOT BLVD WEST LANGHORNE PA 19047 424B3 1 four24b3.txt 424B3