申请人 |
MINNESOTA MINING AND MFG. CO., SAINT PAUL, MINN., US |
发明人 |
NIVEN, CLARENCE A., JR., 2501 HUDSON ROAD ST.PAUL MINNESOTA 55144, US;STRAND, JEROME E., 2501 HUDSON ROAD ST.PAUL MINNESOTA 55144, US;CRAIGHEAD, LAWRENCE W., 2501 HUDSON ROAD ST.PAUL MINNESOTA 55144, US |