Granted Patent
Utility
US 4,315,906 · App. 06/040,995
Cold insoluble globulin, its purification and use
Inventor:
Frank B. Gelder
Patented Case
View Patent ↗
Granted: Feb 16, 1982
Filed: May 21, 1979
Inventor
Frank B. Gelder
Assignee (at issue)
New England Nuclear 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.