Patent Assignment
Reel/Frame 013220/0487
Assignment of Assignor's Interest
Recorded: 2002-10-25
Received: 2002-10-25
Pages: 2
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
BARLEY MILL PLAZA 25, LEGAL PATENTS, WILMINGTON, DE, 19880-0025, UNITED STATES
Covered Property
(1)
Ion-Beam Deposition Process for Manufacture of Binary Photomask Blanks
Application:
10/123,749 →