Granted Patent
Utility
US 6,134,092 · App. 09/057,199
Illumination device for non-emissive displays
Inventors:
David G. Pelka, John M. Popovich, Thomas William Dowland, Jr.
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Apr 8, 1998
Inventors
David G. Pelka
John M. Popovich
Thomas William Dowland, Jr.
Assignee (at issue)
Teledyne Lighting and Display Products, Inc.
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.