Granted Patent
Utility
US 6,827,472 · App. 10/438,903
Illuminated HVAC duct/advertising card holder for vehicles
Inventor:
Herman Myburgh
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: May 16, 2003
Inventor
Herman Myburgh
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.