Granted Patent
Utility
US 6,640,554 · App. 10/133,990
Containment module for transportable liquid natural gas dispensing station
Inventors:
Claus Emmer, Thomas K. Drube
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Apr 26, 2002
Inventors
Claus Emmer
Thomas K. Drube
Assignee (at issue)
Chart 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.