Granted Patent
Utility
US 6,586,394 · App. 08/188,197
Tissue-derived tumor growth inhibitor
Inventors:
Kenneth K. Iwata, John R. Stephenson, Leslie I. Gold
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Jan 27, 1994
Inventors
Kenneth K. Iwata
John R. Stephenson
Leslie I. Gold
Assignee (at issue)
OSI Pharmaceuticals, LLC
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.