Granted Patent
Utility
US 4,351,768 · App. 06/130,353
2-[(3-Indolyl)carbonyl]-4/5-carboxybenzoic acids
Inventors:
Nathan N. Crounse, Paul Schmidt
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Mar 14, 1980
Inventors
Nathan N. Crounse
Paul Schmidt
Assignee (at issue)
Sterling Drug, 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.