Granted Patent
Utility
US 6,642,840 · App. 09/810,942
Rearview mirror assembly with monitor
Inventors:
Heinrich Lang, Michael Witzke
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Mar 16, 2001
Inventors
Heinrich Lang
Michael Witzke
Assignee (at issue)
Lang-Mekra North America, LLC
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.