Granted Patent
Utility
US 5,995,877 · App. 08/965,684
Control unit for switching and controlling household appliances
Inventors:
Ulrich Brueggemann, Gerhard Hochgesang, Wolfgang Kuechler, Klaus Schmoeger
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Nov 6, 1997
Inventors
Ulrich Brueggemann
Gerhard Hochgesang
Wolfgang Kuechler
Klaus Schmoeger
Assignee (at issue)
Preh-Werke GmbH & Co. KG
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.