Granted Patent
Utility
US 6,155,790 · App. 09/154,629
Method and equipment for controlling a pipe network
Inventors:
Jouni Pyotsia, Mika Kreivi
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Sep 17, 1998
Inventors
Jouni Pyotsia
Mika Kreivi
Assignee (at issue)
Neles Controls Oy
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.