Granted Patent
Utility
US 4,789,631 · App. 06/581,347
Immunoassay for anti-dirofilaria immitis antibody
Inventor:
Edward T. Maggio
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Feb 17, 1984
Inventor
Edward T. Maggio
Assignee (at issue)
Synbiotics 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.