Granted Patent
Utility
US 4,352,096 · App. 06/081,217
Device for providing a modulo-n check character
Inventors:
Uwe Unglaube, Friedrich-Viktor Miehe
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Oct 2, 1979
Inventors
Uwe Unglaube
Friedrich-Viktor Miehe
Assignee (at issue)
Nixdorf Computer AG
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.