Granted Patent
Utility
US 4,280,818 · App. 06/123,921
Novel compositions of matter and process for utilizing same
Inventors:
Johann G. D. Schulz, John J. Stanulonis, William R. Wajert
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Feb 22, 1980
Inventors
Johann G. D. Schulz
John J. Stanulonis
William R. Wajert
Assignee (at issue)
Gulf Research & Development Company
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.