Granted Patent
Utility
US 4,521,405 · App. 06/378,752
Methods and materials for treatment of disease states involving immunological factors
Inventor:
John McMichael
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: May 17, 1982
Inventor
John McMichael
Assignee (at issue)
John McMichael
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.