Granted Patent
Utility
US 5,338,840 · App. 07/889,547
DNA encoding glioma-derived growth factor having vascular endothelial cell growth promoting activity
Inventors:
Marvin Bayne, Kenneth A. Thomas, Jr., Gregory Conn
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: May 27, 1992
Inventors
Marvin Bayne
Kenneth A. Thomas, Jr.
Gregory Conn
Assignee (at issue)
MERCK & CO., 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.