Granted Patent
Utility
US 5,089,419 · App. 07/390,626
Detection of pregnancy by identification of the C peptide of relaxin in the urine of animals
Inventor:
Andrew H. Kuniyuki
Patented Case
View Patent ↗
Granted: Feb 18, 1992
Filed: Aug 7, 1989
Inventor
Andrew H. Kuniyuki
Assignee (at issue)
International Canine Genetics, Inc.
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.