Granted Patent
Utility
US 6,224,728 · App. 09/373,872
Valve for fluid control
Inventors:
Michael C. Oborny, Phillip H. Paul, Kenneth R. Hencken, Gregory C. Frye-Mason, Ronald P. Manginell
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Aug 13, 1999
Inventors
Michael C. Oborny
Phillip H. Paul
Kenneth R. Hencken
Gregory C. Frye-Mason
Ronald P. Manginell
Assignee (at issue)
Sandia Corporation
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.