Granted Patent
Utility
US 6,504,649 · App. 09/481,942
Privacy screens and stereoscopic effects devices utilizing microprism sheets
Inventor:
Kenneth J. Myers
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jan 13, 2000
Inventor
Kenneth J. Myers
Assignees (at issue)
Kenneth J. Myers
Edward Greenberg
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.