Granted Patent
Utility
US 6,679,254 · App. 09/890,727
Inhalation device
Inventors:
Paul Kenneth Rand, Gregor John McLennan Anderson
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Oct 17, 2001
Inventors
Paul Kenneth Rand
Gregor John McLennan Anderson
Assignee (at issue)
SmithKline Beecham 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.