Granted Patent
Utility
US 5,875,776 · App. 08/629,605
Dry powder inhaler
Inventor:
Farid Vaghefi
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Apr 9, 1996
Inventor
Farid Vaghefi
Assignee (at issue)
Vivorx Pharmaceuticals, 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.