Granted Patent
Utility
US 5,643,946 · App. 08/443,636
Compounds useful for treating allergic and inflammatory diseases
Inventor:
Siegfried B. Christensen, IV
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: May 18, 1995
Inventor
Siegfried B. Christensen, IV
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.