Granted Patent
Utility
US 4,364,873 · App. 06/282,494
Method of making aluminum alkyls
Inventor:
Steven P. Diefenbach
Patented Case
View Patent ↗
Granted: Dec 21, 1982
Filed: Jul 13, 1981
Inventor
Steven P. Diefenbach
Assignee (at issue)
Ethyl Corporation
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.