Granted Patent
Utility
US 4,621,032 · App. 06/760,226
Method of forming a data storage medium and data storage device by congruent sublimation
Inventors:
John P. deNeufville, David Strand
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Jul 29, 1985
Inventors
John P. deNeufville
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.