Granted Patent
Utility
US 4,826,001 · App. 07/179,799
Contact lens case
Inventor:
Bradley Castillo
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Apr 11, 1988
Inventor
Bradley Castillo
Assignee (at issue)
Barnes-Hind, 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.