Granted Patent
Utility
US 4,044,328 · App. 05/698,570
Data coding and error correcting methods and apparatus
Inventor:
Anthony P. Herff
Patented Case
View Patent ↗
Granted: Aug 23, 1977
Filed: Jun 22, 1976
Inventor
Anthony P. Herff
Assignee (at issue)
Bell and Howell, 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.