Granted Patent
Utility
US 4,854,089 · App. 07/171,155
Method of making a rigid gas permeable bifocal contact lens
Inventor:
Heriberto Morales
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Mar 16, 1988
Inventor
Heriberto Morales
Assignee (at issue)
Sola USA, 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.