Granted Patent
Utility
US 6,381,061 · App. 09/443,822
Pixel structure having deformable material and method for forming a light valve
Inventor:
Tapani Levola
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Nov 19, 1999
Inventor
Tapani Levola
Assignee (at issue)
Nokia
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.