Granted Patent
Utility
US 4,643,515 · App. 06/718,502
Method and apparatus for recording and displaying edge-illuminated holograms
Inventor:
Juris Upatnieks
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Apr 1, 1985
Inventor
Juris Upatnieks
Assignee (at issue)
Environmental Research Institute
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.