Granted Patent
Utility
US 5,892,556 · App. 08/973,733
Process and device for the transmission of a low divergence light beam inserted into an optical fibre for the illumination of pixels in an video image
Inventor:
Christhard Deter
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Nov 24, 1997
Inventor
Christhard Deter
Assignee (at issue)
LDT GmbH & Co. Laser-Display-Technologie KG
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.