Granted Patent
Utility
US 5,975,419 · App. 08/941,810
Holographic laser scanner generating a high-resolution 2-D raster scanning pattern using a holographic scanning disc
Inventors:
LeRoy Dickson, John Groot, Carl Harry Knowles, Thomas Amundsen
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Sep 30, 1997
Inventors
LeRoy Dickson
John Groot
Carl Harry Knowles
Thomas Amundsen
Assignee (at issue)
METROLOGIC INSTRUMENTS, 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.