Granted Patent
Utility
US 4,843,608 · App. 07/039,565
Cross-coupled checking circuit
Inventors:
Peter Fu, Daniel E. Lenoski
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Apr 16, 1987
Inventors
Peter Fu
Daniel E. Lenoski
Assignee (at issue)
Tandem Computers Incorporated
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.