Granted Patent
Utility
US 6,546,281 · App. 09/317,372
Integrated apparatus for controlled heat aided dermal drug delivery
Inventors:
Jie Zhang, Hao Zhang, Wade Hull, Larry Rigby
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: May 24, 1999
Inventors
Jie Zhang
Hao Zhang
Wade Hull
Larry Rigby
Assignee (at issue)
ZARS, 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.