Granted Patent
Utility
US 4,744,984 · App. 06/785,070
Antiviral immunotherapeutic agent and preparation thereof
Inventor:
William L. Ragland
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Oct 8, 1985
Inventor
William L. Ragland
Assignee (at issue)
Vetrepharm Research, 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.