| 申请人 |
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US |
发明人 |
GEARY, JR., JAMES EDWARD, WILMINGTON DELAWARE 19810, US;LEFFEW, KENNETH WAYNE, KENNETT SQUARE PENNSYLVANIA 19348, US;SCHIFF, DAVID ROBERT, PHILADELPHIA PENNSYLVANIA 19130, US;MULES, RICHARD DONALD, WILMINGTON DELAWARE 19803, US |
