Granted Patent
Utility
US 6,466,372 · App. 08/857,815
Systems for projecting images from diffractive phase plates
Inventors:
G. Michael Morris, Joachim Bunkenburg
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: May 16, 1997
Inventors
G. Michael Morris
Joachim Bunkenburg
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.