申请人 |
INTERNATIONAL BUSINESS MACHINES CORP., ARMONK, N.Y., US |
发明人 |
DAVIS, DONALD EUGENE, POUGHKEEPSIE, N.Y. 12603, US;DORAN, SAMUEL KAY, WAPPINGERS FALLS, N.Y. 12590, US;PERKINS, MERLYN HAROLD, NEW FAIRFIELD, CONN. 06810, US;PFEIFFER, HANS CHRISTIAN, RIDGEFIELD, CONN. 06877, US |