Granted Patent
Utility
US 4,594,147 · App. 06/809,652
Choline as a fuel sweetener and sulfur antagonist
Inventors:
Glenn L. Roof, Beth W. Porlier, Wesley E. Cravey
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Dec 16, 1985
Inventors
Glenn L. Roof
Beth W. Porlier
Wesley E. Cravey
Assignee (at issue)
Nalco Chemical 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.