Granted Patent
Utility
US 4,525,348 · App. 06/562,570
Pranoprofen gelled ointment
Inventors:
Kenzo Arizono, Michio Terasawa, Michiharu Nobutoki
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Dec 19, 1983
Inventors
Kenzo Arizono
Michio Terasawa
Michiharu Nobutoki
Assignee (at issue)
Yoshitomi Pharmaceutical Industries, Ltd.
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.