Granted Patent
Utility
US 6,041,785 · App. 09/188,011
Punctum plug
Inventor:
Nicholas J. Webb
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Nov 6, 1998
Inventor
Nicholas J. Webb
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.