Granted Patent
Utility
US 4,872,172 · App. 07/126,806
Parity regeneration self-checking
Inventor:
Martin W. Sanner
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Nov 30, 1987
Inventor
Martin W. Sanner
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.