Granted Patent
Utility
US 5,548,352 · App. 08/183,530
Anti-astigmatic ophthalmic contact lens for use in performing laser surgery
Inventor:
David A. Dewey
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Jan 19, 1994
Inventor
David A. Dewey
Assignee (at issue)
Coherent, 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.