Granted Patent
Utility
US 5,667,785 · App. 08/280,405
Vaccine for protection of cats against feline infectious peritonitis
Inventors:
Jay D. Gerber, Jerald Dee Ingersoll
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Jul 26, 1994
Inventors
Jay D. Gerber
Jerald Dee Ingersoll
Assignee (at issue)
Pfizer 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.