Granted Patent
Utility
US 4,339,350 · App. 06/160,959
Catalyst prepared from tungsten hexafluoride and water
Inventors:
John P. Pellegrini, Jr., David L. Beach, Thaddeus P. Kobylinski
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Jun 19, 1980
Inventors
John P. Pellegrini, Jr.
David L. Beach
Thaddeus P. Kobylinski
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.