Granted Patent
Utility
US 5,266,840 · App. 07/999,687
Circuit for detecting the failure of a load which is connected in series with an electronic switch
Inventors:
Ludwig Leipold, Rainald Sander, Jenoe Tihanyi, Roland Weber
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Dec 31, 1992
Inventors
Ludwig Leipold
Rainald Sander
Jenoe Tihanyi
Roland Weber
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.