Granted Patent
Utility
US 4,660,175 · App. 06/752,741
Data storage device having novel barrier players encapsulating the data storage medium
Inventor:
David Strand
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Jul 8, 1985
Inventor
David Strand
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.