Granted Patent
Utility
US 4,692,402 · App. 06/859,116
Ultrathin optical recording medium with moisture barrier
Inventors:
Eric W. Bouldin, Richard M. Haddock, Christopher J. Dyball
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: May 2, 1986
Inventors
Eric W. Bouldin
Richard M. Haddock
Christopher J. Dyball
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.