Granted Patent
Utility
US 4,801,846 · App. 07/112,026
Rare earth halide light source with enhanced red emission
Inventors:
Jerry Kramer, Walter P. Lapatovich
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Oct 23, 1987
Inventors
Jerry Kramer
Walter P. Lapatovich
Assignee (at issue)
GTE Laboratories Incorporated
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.