0000080255-05-000062 SC 13G/A 1 20050208 20050208 TRP SMALL CAP VALUE CIK# 0000834798 ADVANCED POWER TECHNOLOGY INC 0001114973 3674 930875072 SC 13G/A 34 005-60671 05583430 405 SW COLUMBIA STREET BEND OR 97702 5413828028 405 SW COLUMBIA STREET BEND OR 97702 PRICE T ROWE ASSOCIATES INC /MD/ 0000080255 6200 520556948 MD 1231 SC 13G/A 100 EAST PRATT ST BALTIMORE MD 21202 (410)345- P.O. BOX 89000 BALTIMORE MD 21289 SC 13G/A 1 apti13gdec04.txt APTI AS OF 12/31/2004