Granted Patent
Utility
US 4,677,064 · App. 06/730,696
Human tumor necrosis factor
Inventors:
David F. Mark, Alice M. Wang, Martha B. Ladner, Abla A. Creasey, Janelle N. Van Arsdell, Leo S. Lin
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: May 2, 1985
Inventors
David F. Mark
Alice M. Wang
Martha B. Ladner
Abla A. Creasey
Janelle N. Van Arsdell
Leo S. Lin
Assignee (at issue)
Cetus Corporation
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.