Granted Patent
Utility
US 5,955,488 · App. 09/066,762
Freeze-dried compositions
Inventor:
Ian Keith Winterborn
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Apr 28, 1998
Inventor
Ian Keith Winterborn
Assignee (at issue)
Glaxo Wellcome 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.