Granted Patent
Utility
US 5,088,052 · App. 07/219,652
System for graphically representing and manipulating data stored in databases
Inventors:
Howard A. Spielman, C. J. Considine
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Jul 15, 1988
Inventors
Howard A. Spielman
C. J. Considine
Assignee (at issue)
Digital Equipment 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.