Granted Patent
Utility
US 6,413,602 · App. 09/274,034
Pipes for conveying drinking water
Inventors:
Daniel Siour, Olivier Denizart
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Mar 22, 1999
Inventors
Daniel Siour
Olivier Denizart
Assignee (at issue)
Atofina
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.