Granted Patent
Utility
US 5,887,050 · App. 08/854,280
Repeater apparatus having isolation circuit
Inventors:
William J. Fenske, Anthony J. Bednaroski
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: May 9, 1997
Inventors
William J. Fenske
Anthony J. Bednaroski
Assignee (at issue)
SIEMENS BUILDING TECHNOLOGIES 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.