Granted Patent
Utility
US 5,129,328 · App. 07/706,564
Gas turbine locomotive fueled by compressed natural Gas
Inventor:
Frank Wegner Donnelly
Patented Case
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Granted: Jul 14, 1992
Filed: May 28, 1991
Inventor
Frank Wegner Donnelly
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.