Granted Patent
Utility
US 4,929,842 · App. 07/352,547
Electro-optical measuring and transmission device using overload and overvoltage protection circuits
Inventors:
Jan L. ter Hasebrg, Joachim Nedwig, Klaus-Dieter Kruse
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: May 12, 1989
Inventors
Jan L. ter Hasebrg
Joachim Nedwig
Klaus-Dieter Kruse
Assignee (at issue)
Licentia Patent-Verwaltungs-GmbH
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.