Granted Patent
Utility
US 4,677,235 · App. 06/837,480
Production of aromatic hydrocarbons from natural gas
Inventor:
John R. Mowry
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Mar 7, 1986
Inventor
John R. Mowry
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.