Granted Patent
Utility
US 5,699,839 · App. 08/502,678
Zero-vent liquid natural gas fueling station
Inventor:
Hans-Joachim Dehne
Patented Case
View Patent ↗
Granted: Dec 23, 1997
Filed: Jul 14, 1995
Inventor
Hans-Joachim Dehne
Assignee (at issue)
Acurex Environmental 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.