Granted Patent
Utility
US 4,907,248 · App. 07/099,864
Error correction for digital signal transmission
Inventor:
Wayne E. Bretl
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Sep 22, 1987
Inventor
Wayne E. Bretl
Assignee (at issue)
Zenith Electronics LLC
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.