Granted Patent
Utility
US 6,411,873 · App. 09/587,831
Method and apparatus for determining motor rotation in a power window system
Inventor:
Dan Rogovin
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Jun 6, 2000
Inventor
Dan Rogovin
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.