Granted Patent
Utility
US 6,575,159 · App. 09/696,208
Portable liquid oxygen unit with multiple operational orientations
Inventors:
Mark R. Frye, Leonardo Shiki Toma, Richard Scott Remes
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Oct 26, 2000
Inventors
Mark R. Frye
Leonardo Shiki Toma
Richard Scott Remes
Assignee (at issue)
MALLINCKRODT LLC
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.