Granted Patent
Utility
US 6,027,470 · App. 09/095,194
Punctum plug and method for inserting the same into the punctual opening
Inventor:
Richard W. Mendius
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Jun 10, 1998
Inventor
Richard W. Mendius
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.