Granted Patent
Utility
US 5,457,399 · App. 07/993,767
Microwave monolithic integrated circuit fabrication, test method and test probes
Inventor:
Charles F. Krumm
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Dec 14, 1992
Inventor
Charles F. Krumm
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.