Granted Patent
Utility
US 4,989,134 · App. 07/028,808
Method and apparatus for enhancing data storage efficiency
Inventor:
Robert Shaw
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: Mar 20, 1987
Inventor
Robert Shaw
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.