Granted Patent
Utility
US 6,010,638 · App. 07/977,388
Conductive/insulating graded GaAs bulk material
Inventor:
Paul Klocek
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Nov 17, 1992
Inventor
Paul Klocek
Assignee (at issue)
Raytheon 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.