Granted Patent
Utility
US 5,121,396 · App. 07/263,310
Preservation of CRC integrity upon intentional data alteration during message transmission
Inventors:
David R. Irvin, Kian-Bon K. Sy
Patented Case
View Patent ↗
Granted: Jun 9, 1992
Filed: Oct 27, 1988
Inventors
David R. Irvin
Kian-Bon K. Sy
Assignee (at issue)
International Business Machines 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.