Granted Patent
Utility
US 5,121,609 · App. 07/702,075
No loss fueling station for liquid natural gas vehicles
Inventor:
Robert E. Cieslukowski
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: May 17, 1991
Inventor
Robert E. Cieslukowski
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.