Granted Patent
Utility
US 5,453,969 · App. 08/238,756
Optical memory with pit depth encoding
Inventors:
Demetri Psaltis, David Marx, Gabriel Y. Sirat
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: May 4, 1994
Inventors
Demetri Psaltis
David Marx
Gabriel Y. Sirat
Assignee (at issue)
California Institute of Technology
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.