Granted Patent
Utility
US 6,743,422 · App. 09/284,100
Keratinocyte growth factor-2 products
Inventors:
Linda O. Narhi, Timothy David Osslund
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Apr 7, 1999
Inventors
Linda O. Narhi
Timothy David Osslund
Assignee (at issue)
Amgen 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.