Granted Patent
Utility
US 5,800,922 · App. 08/688,702
Method of making a gelation-resistant alumina
Inventors:
Edward M. Anderson, Neal Richard Dando, Carl Lawhon, Merle D. McRaven
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Jul 30, 1996
Inventors
Edward M. Anderson
Neal Richard Dando
Carl Lawhon
Merle D. McRaven
Assignee (at issue)
Aluminum Company of America
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.