Granted Patent
Utility
US 5,886,267 · App. 08/771,316
System and method for bidirectional flow and controlling fluid flow in a conduit
Inventor:
Marcos German Ortiz
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Oct 3, 1996
Inventor
Marcos German Ortiz
Assignee (at issue)
Lockheed Martin Idaho Technologies Company
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.