Granted Patent
Utility
US 4,410,335 · App. 06/349,431
Multifunctional gasoline additives
Inventor:
Michael Childs
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Feb 16, 1982
Inventor
Michael Childs
Assignee (at issue)
UOP LLC
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.