Granted Patent
Utility
US 6,118,837 · App. 09/333,323
Method for detecting the dropping of a control element
Inventors:
Konrad Krien, Bernd Wernecke
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Jun 15, 1999
Inventors
Konrad Krien
Bernd Wernecke
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.