Granted Patent
Utility
US 5,698,630 · App. 08/557,733
Gas-liquid mixture as well as unit and method for the use thereof
Inventor:
Jan Andersson
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Nov 13, 1995
Inventor
Jan Andersson
Assignee (at issue)
Halotron, 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.