Granted Patent
Utility
US 4,916,633 · App. 07/030,250
Expert system apparatus and methods
Inventors:
Louis P. Tychonievich, Richard Winfield Bolling
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Mar 24, 1987
Inventors
Louis P. Tychonievich
Richard Winfield Bolling
Assignee (at issue)
Wang Laboratories, Inc.
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.