Granted Patent
Utility
US 4,982,439 · App. 07/325,264
Fine-grained microstructure processor
Inventor:
Patrick F. Castelaz
Patented Case
View Patent ↗
Granted: Jan 1, 1991
Filed: Mar 17, 1989
Inventor
Patrick F. Castelaz
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.