Granted Patent
Utility
US 4,777,534 · App. 07/111,233
Light piping substrate for contact type image replication
Inventors:
Zvi Yaniv, Vincent D. Cannella
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Oct 22, 1987
Inventors
Zvi Yaniv
Vincent D. Cannella
Assignee (at issue)
Energy Conversion Devices, Inc.
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.