Granted Patent
Utility
US 6,190,315 · App. 09/227,623
Sonophoretic enhanced transdermal transport
Inventors:
Joseph Kost, Samir Mitragotri, Robert S. Langer
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Jan 8, 1999
Inventors
Joseph Kost
Samir Mitragotri
Robert S. Langer
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.