Granted Patent
Utility
US 5,245,367 · App. 07/791,121
Annular mask contact lenses
Inventors:
David Miller, Leroy Meshel
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Nov 12, 1991
Inventors
David Miller
Leroy Meshel
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.