Granted Patent
Utility
US 5,154,877 · App. 07/676,405
Passive off-site radiation reduction apparatus
Inventors:
Terry L. Schultz, Naum I. Alper
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Mar 28, 1991
Inventors
Terry L. Schultz
Naum I. Alper
Assignee (at issue)
Westinghouse Electric Company LLC
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.