Granted Patent
Utility
US 6,041,808 · App. 09/035,314
Compressed air control device for a source of compressed air on motor vehicles
Inventor:
Roland Blanz
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Mar 5, 1998
Inventor
Roland Blanz
Assignee (at issue)
G. Rau GmbH & Co.
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.