Granted Patent
Utility
US 4,905,162 · App. 07/032,161
Evaluation system for determining analogy and symmetric comparison among objects in model-based computation systems
Inventors:
David J. Hartzband, Laura E. Holly
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: Mar 30, 1987
Inventors
David J. Hartzband
Laura E. Holly
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.