Granted Patent
Utility
US 4,837,134 · App. 07/039,506
Optical memory card with versatile storage medium
Inventors:
Eric W. Bouldin, Jerome Drexler
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Apr 16, 1987
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.