Granted Patent
Utility
US 6,234,990 · App. 08/885,931
Ultrasound enhancement of transdermal transport
Inventors:
Stephen Rowe, Joseph Kost, Samir Mitragotri, Michael V. Pishko, Matthew W. Davis
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jun 30, 1997
Inventors
Stephen Rowe
Joseph Kost
Samir Mitragotri
Michael V. Pishko
Matthew W. Davis
Assignee (at issue)
Sontra Medical Corporation
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.