Granted Patent
Utility
US 4,585,456 · App. 06/588,579
Corrective lens for the natural lens of the eye
Inventor:
John M. Blackmore
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Mar 12, 1984
Inventor
John M. Blackmore
Assignee (at issue)
Ioptex, 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.