Granted Patent
Utility
US 4,424,150 · App. 06/364,836
Acetaminophen analogs, antigens, and antibodies
Inventor:
Pyare Khanna
Patented Case
View Patent ↗
Granted: Jan 3, 1984
Filed: Apr 2, 1982
Inventor
Pyare Khanna
Assignee (at issue)
Syva Company
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.