Granted Patent
Utility
US 3,957,362 · App. 05/451,906
Hydrogels and articles made therefrom
Inventors:
William L. Mancini, Donald R. Korb, Miguel F. Refojo
Patented Case
View Patent ↗
Granted: May 18, 1976
Filed: Mar 18, 1974
Inventors
William L. Mancini
Donald R. Korb
Miguel F. Refojo
Assignee (at issue)
Corneal Sciences, 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.