Granted Patent
Utility
US 6,011,643 · App. 09/091,908
Device with a laser for image presentation
Inventors:
Joerg Wunderlich, Klaus Hiller, Frank Goepfert, Richard Wallenstein, Christhard Deter, Wolfram Biehlig, Juergen Kraenert
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Jun 24, 1998
Inventors
Joerg Wunderlich
Klaus Hiller
Frank Goepfert
Richard Wallenstein
Christhard Deter
Wolfram Biehlig
Juergen Kraenert
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.