Granted Patent
Utility
US 5,659,935 · App. 08/365,039
Apparatus for installing a branch tapping on a pipe
Inventors:
Jean-Marie Lo-Pinto, Jacques Foucart, Jean-Claude Puyaumont, Christian Vilchenon, Thierry Vincent
Patented Case
View Patent ↗
Granted: Aug 26, 1997
Filed: Dec 28, 1994
Inventors
Jean-Marie Lo-Pinto
Jacques Foucart
Jean-Claude Puyaumont
Christian Vilchenon
Thierry Vincent
Assignee (at issue)
Gaz de France
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.