Granted Patent
Utility
US 4,834,748 · App. 07/102,344
Method and apparatus for removing corneal tissue
Inventor:
Marguerite B. McDonald
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Sep 29, 1987
Inventor
Marguerite B. McDonald
Assignee (at issue)
Allergan, 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.