Granted Patent
Utility
US 4,075,632 · App. 05/689,708
Interrogation, and detection system
Inventors:
Howard A. Baldwin, Steven W. Depp, Alfred R. Koelle, Robert W. Freyman
Patented Case
View Patent ↗
Granted: Feb 21, 1978
Filed: May 24, 1976
Inventors
Howard A. Baldwin
Steven W. Depp
Alfred R. Koelle
Robert W. Freyman
Assignee (at issue)
United States Department of Energy
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.