Granted Patent
Utility
US 5,943,125 · App. 08/807,397
Ring illumination apparatus for illuminating reflective elements on a generally planar surface
Inventors:
Steven J. King, Jonathan Edmund Ludlow, Jon Chouinard, George Schurr
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Feb 26, 1997
Inventors
Steven J. King
Jonathan Edmund Ludlow
Jon Chouinard
George Schurr
Assignee (at issue)
Acuity Imaging, LLC
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.