| 申请人 |
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US |
发明人 |
KOBSA, HENRY, WILMINGTON, DE 19807-2201, US;RUBIN, BARRY, GLEN MILLS, PA 19342, US;SHEARER, STEPHEN, MARSHALL, WILMINGTON, DE 19805, US;VAN TRUMP, JAMES, EDMOND, WILMINGTON, DE 19806-2022, US |
