Granted Patent
Utility
US 6,726,172 · App. 10/214,705
Valve
Inventors:
Hans Mathews, Jerry Racaniello, Dustin A. Malicke, Peter Steinruck
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Aug 9, 2002
Inventors
Hans Mathews
Jerry Racaniello
Dustin A. Malicke
Peter Steinruck
Assignee (at issue)
Hoerbiger Kompressortechnik Services 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.