Granted Patent
Utility
US 5,705,804 · App. 08/589,104
Quadrant light detector
Inventors:
David P. Ramer, Jack C. Rains, Jr.
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Jan 23, 1996
Inventors
David P. Ramer
Jack C. Rains, Jr.
Assignee (at issue)
Science Applications International Corporation
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.