Granted Patent
Utility
US 5,980,378 · App. 09/079,229
Arrangement and process for the ventilation of a vehicle interior as a function of harmful gases
Inventor:
Herbert Wieszt
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: May 15, 1998
Inventor
Herbert Wieszt
Assignee (at issue)
Daimlerchrysler AG
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.