Granted Patent
Utility
US 4,897,809 · App. 07/095,969
High speed adder
Inventors:
Iradj Shahriary, George S. Des Brisay, Jr., Susan K. Avery
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Sep 14, 1987
Inventors
Iradj Shahriary
George S. Des Brisay, Jr.
Susan K. Avery
Assignee (at issue)
Hughes Aircraft Company
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.