Granted Patent
Utility
US 6,328,583 · App. 09/729,242
Re-connectable pipeline connection for direct heating system
Inventors:
Bjorn Willy Ness, Petter Thomas Holen, Jan Erik Karlsen
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Dec 5, 2000
Inventors
Bjorn Willy Ness
Petter Thomas Holen
Jan Erik Karlsen
Assignee (at issue)
NEXANS
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.