Granted Patent
Utility
US 5,720,720 · App. 08/616,785
Convection-enhanced drug delivery
Inventors:
Douglas W. Laske, Edward H. Oldfield, Richard Bobo, Robert L. Dedrick, Paul F. Morrison
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Mar 15, 1996
Inventors
Douglas W. Laske
Edward H. Oldfield
Richard Bobo
Robert L. Dedrick
Paul F. Morrison
Assignee (at issue)
Department of Health and Human Services
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.