Granted Patent
Utility
US 6,425,327 · App. 09/372,475
Method for forming a cylindrical photosensitive element
Inventors:
Roxy N. Fan, William J. Hommes
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Aug 12, 1999
Inventors
Roxy N. Fan
William J. Hommes
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.