Granted Patent
Utility
US 6,413,400 · App. 09/479,503
Polycarbonate electrophoretic devices
Inventors:
David S. Soane, Zoya M. Soane
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Jan 7, 2000
Inventors
David S. Soane
Zoya M. Soane
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.