Granted Patent
Utility
US 5,898,813 · App. 08/794,917
Optical short-circuit plug
Inventor:
Axel Beier
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Feb 4, 1997
Inventor
Axel Beier
Assignee (at issue)
Siemens Aktiengesellschaft
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.