Granted Patent
Utility
US 5,828,178 · App. 08/762,615
High intensity discharge lamp color
Inventors:
Allan Brent York, Robert H. Maxwell, Jr.
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Dec 9, 1996
Inventors
Allan Brent York
Robert H. Maxwell, Jr.
Assignee (at issue)
Tir Systems Ltd.
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.