Granted Patent
Utility
US 4,278,756 · App. 06/055,270
Reflective data storage medium made by silver diffusion transfer
Inventors:
Eric W. Bouldin, Jerome Drexler
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: Jul 6, 1979
Inventors
Eric W. Bouldin
Jerome Drexler
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.