Granted Patent
Utility
US 5,526,189 · App. 08/329,216
Lens for observation of the interior of the eye
Inventor:
Gregory Heacock
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Oct 26, 1994
Inventor
Gregory Heacock
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.