Granted Patent
Utility
US 5,484,401 · App. 08/251,692
Treatment method for pleural effusion
Inventors:
Michael Rodriguez, Bonnie B. Vivian, Shirley K. Freeman
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: May 31, 1994
Inventors
Michael Rodriguez
Bonnie B. Vivian
Shirley K. Freeman
Assignee (at issue)
Denver Biomaterials, 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.