Granted Patent
Utility
US 4,349,483 · App. 06/221,063
Process for the preparation of aluminum trihydrocarbyls
Inventors:
David L. Beach, Adolfo Zambelli
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: Dec 29, 1980
Inventors
David L. Beach
Adolfo Zambelli
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.