Granted Patent
Utility
US 5,896,229 · App. 08/803,083
Discretely applied diffusor structures on lightguides
Inventors:
Charles Albert Rudisill, Sean Ryan
Patented Case
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Granted: Apr 20, 1999
Filed: Feb 20, 1997
Inventors
Charles Albert Rudisill
Sean Ryan
Assignee (at issue)
ERICSSON GMBH
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.