Granted Patent
Utility
US 5,492,867 · App. 08/320,619
Method for manufacturing a miniaturized solid state mass spectrograph
Inventors:
Joseph C. Kotvas, Timothy T. Braggins, Robert M. Young, Carl B. Freidhoff
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Oct 7, 1994
Inventors
Joseph C. Kotvas
Timothy T. Braggins
Robert M. Young
Carl B. Freidhoff
Assignee (at issue)
Westinghouse Elec. Corp.
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.