Granted Patent
Utility
US 5,724,959 · App. 08/307,290
Powder inhaler with specific orifice and baffle arrangement
Inventors:
John McAughey, John Nigel Pritchard
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Sep 16, 1994
Inventors
John McAughey
John Nigel Pritchard
Assignee (at issue)
AEA Technology PLC
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.