Granted Patent
Utility
US 5,177,068 · App. 07/349,964
Pharmaceutical compositions
Inventors:
Brian A. Callingham, Robert C. Hider, George Kontoghiorghes, Michael A. Stockham
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: May 8, 1989
Inventors
Brian A. Callingham
Robert C. Hider
George Kontoghiorghes
Michael A. Stockham
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.