Granted Patent
Utility
US 4,543,307 · App. 06/581,324
Optical data storage and recording media having recording surface protection
Inventors:
Jerome Drexler, Richard M. Haddock
Patented Case
View Patent ↗
Granted: Sep 24, 1985
Filed: Feb 17, 1984
Inventors
Jerome Drexler
Richard M. Haddock
Assignee (at issue)
Drexler Technology Corporation
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.