Granted Patent
Utility
US 6,536,478 · App. 10/086,767
Multilayer fluid conduit
Inventor:
Janos Kertesz
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Mar 1, 2002
Inventor
Janos Kertesz
Assignee (at issue)
Rasmussen GmbH
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.