Granted Patent
Utility
US 4,462,974 · App. 06/481,591
Process for preparation of water-free oxide material
Inventors:
Ricardo C. Pastor, Antonio C. Pastor, Luisa E. Gorre, Remedios K. Chew
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Apr 4, 1983
Inventors
Ricardo C. Pastor
Antonio C. Pastor
Luisa E. Gorre
Remedios K. Chew
Assignee (at issue)
Hughes Aircraft 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.