Granted Patent
Utility
US 6,409,341 · App. 09/444,161
Eye viewing device for retinal viewing through undilated pupil
Inventors:
Ervin Goldfain, William Lagerway, Chris R. Roberts, Steven R. Slawson, Allan I. Krauter
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Nov 22, 1999
Inventors
Ervin Goldfain
William Lagerway
Chris R. Roberts
Steven R. Slawson
Allan I. Krauter
Assignee (at issue)
Hand Held Products, 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.