Granted Patent
Utility
US 5,324,319 · App. 07/906,407
Gravity driven therapeutic fluid circulation device
Inventors:
Jeffrey T. Mason, Bradley R. Mason
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Jul 1, 1992
Inventors
Jeffrey T. Mason
Bradley R. Mason
Assignee (at issue)
Breg, 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.