Granted Patent
Utility
US 6,608,323 · App. 09/915,210
n-type thiophene semiconductors
Inventors:
Tobin J. Marks, Antonio Facchetti, Henning Sirringhaus, Richard Henry Friend
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Jul 24, 2001
Inventors
Tobin J. Marks
Antonio Facchetti
Henning Sirringhaus
Richard Henry Friend
Assignees (at issue)
Northwestern University
Cambridge Univ. Technical Services, Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.