Granted Patent
Utility
US 5,707,644 · App. 08/359,937
Small particle compositions for intranasal drug delivery
Inventor:
Lisbeth Illum
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Dec 20, 1994
Inventor
Lisbeth Illum
Assignee (at issue)
Danbiosyst UK Limited
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.