Granted Patent
Utility
US 4,528,176 · App. 06/450,032
Sodium aluminum hydride production
Inventor:
Gunner E. Nelson
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Dec 15, 1982
Inventor
Gunner E. Nelson
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.