Granted Patent
Utility
US 6,554,424 · App. 09/516,258
System and method for increasing the depth of focus of the human eye
Inventors:
David Miller, Ernesto E. Blanco
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Feb 29, 2000
Inventors
David Miller
Ernesto E. Blanco
Assignee (at issue)
Boston Innovative Optics, 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.