Granted Patent
Utility
US 5,543,858 · App. 08/253,522
Method of and apparatus for reducing noise in a motion detector signal
Inventor:
Gerhard Wischermann
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Jun 3, 1994
Inventor
Gerhard Wischermann
Assignee (at issue)
U.S. Philips Corporation
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.