Granted Patent
Utility
US 5,869,232 · App. 08/737,085
Antigen/antibody specificity exchanger
Inventor:
Matti Sallberg
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Dec 27, 1996
Inventor
Matti Sallberg
Assignee (at issue)
TRIPEP AB
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.