Granted Patent
Utility
US 4,497,588 · App. 06/430,436
Printing or typing apparatus with a rotating platen as well as guide devices for the paper
Inventors:
Hans-Werner Volke, Jurgen Hilkenmeier, Hermann Kohlhage, Udo Tewes
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Sep 30, 1982
Inventors
Hans-Werner Volke
Jurgen Hilkenmeier
Hermann Kohlhage
Udo Tewes
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.