Granted Patent
Utility
US 5,453,622 · App. 08/312,998
Wide-angle motion detector with close-in, prismoidal reflector
Inventors:
Donald R. Sandell, Wade Lee
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Sep 30, 1994
Inventors
Donald R. Sandell
Wade Lee
Assignee (at issue)
Larry C. Y. Lee
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.