Granted Patent
Utility
US 5,184,633 · App. 07/774,047
Cleansing and sterilization mechanism suitable for contact lenses and the like
Inventor:
Terrence R. Langford
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Oct 8, 1991
Inventor
Terrence R. Langford
Assignee (at issue)
Kew Import/Export 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.