Granted Patent
Utility
US 5,334,137 · App. 07/839,417
Lacrimal fluid control device
Inventor:
Jerre M. Freeman
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Feb 21, 1992
Inventor
Jerre M. Freeman
Assignee (at issue)
Eagle Vision, 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.