Granted Patent
Utility
US 6,550,952 · App. 09/844,212
Optical waveguide illumination and signage device and method for making same
Inventors:
George R. Hulse, Cory A. Smith, Mark Joseph Cleaver
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Apr 27, 2001
Inventors
George R. Hulse
Cory A. Smith
Mark Joseph Cleaver
Assignee (at issue)
iLight Technologies, 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.