Granted Patent
Utility
US 5,695,769 · App. 08/244,052
Pasteurella multocida toxoid vaccines
Inventors:
Joseph C. Frantz, David Roberts, Leroy A. Swearingin, Richard J. Kemmy
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Jul 11, 1994
Inventors
Joseph C. Frantz
David Roberts
Leroy A. Swearingin
Richard J. Kemmy
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.