Granted Patent
Utility
US 5,163,409 · App. 07/835,844
Vehicle mounted LNG delivery system
Inventors:
Keith Gustafson, George W. Kalet
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Feb 18, 1992
Inventors
Keith Gustafson
George W. Kalet
Assignee (at issue)
Minnesota Valley Engineering, Inc.
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.