Granted Patent
Utility
US 5,834,765 · App. 08/889,789
Integral ambient light and occupancy sensor having a linear array of sensor element and a segmented slit aperture device
Inventor:
Ian Ashdown
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Jul 8, 1997
Inventor
Ian Ashdown
Assignee (at issue)
Ledalite Architectural Products
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.