Granted Patent
Utility
US 6,830,347 · App. 09/783,224
Eye viewing device comprising eye cup
Inventors:
Steven R. Slawson, Chris R. Roberts, Allan I. Krauter, Ervin Goldfain
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Feb 14, 2001
Inventors
Steven R. Slawson
Chris R. Roberts
Allan I. Krauter
Ervin Goldfain
Assignee (at issue)
Welch Allyn, 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.