Granted Patent
Utility
US 6,432,597 · App. 09/732,824
Electrophotographic photoconductor containing fluorenyl-azine derivatives and triarylamine in transport layer
Inventors:
Gregory W. Haggquist, Ronald Harold Levin, Weimei Luo, Scott Thomas Mosier
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Dec 8, 2000
Inventors
Gregory W. Haggquist
Ronald Harold Levin
Weimei Luo
Scott Thomas Mosier
Assignee (at issue)
Lexmark International, Inc.
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.