| 申请人 |
MINNESOTA MINING AND MFG. CO., SAINT PAUL, MINN., US;CERADYNE, INC., COSTA MESA, CALIF., US |
发明人 |
KELLY, JOHN S., C/O MINNESOTA MINING AND, SAINT PAUL, MINNESOTA 55133-3427, US;HANSEN, JAMES D., C/O MINNESOTA MINING AND, SAINT PAUL, MINNESOTA 55133-3427, US;REED, DAVID P., COSTA MESA, CALIFORNIA 92626, US |
