Granted Patent
Utility
US 6,066,857 · App. 09/151,496
Variable focus optical system
Inventors:
Stephen D. Fantone, Luis Figarella, David Imrie, Harry R. McKinley, William T. Plummer, Howard Stern, Jon Van Tassell
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Sep 11, 1998
Inventors
Stephen D. Fantone
Luis Figarella
David Imrie
Harry R. McKinley
William T. Plummer
Howard Stern
Jon Van Tassell
Assignee (at issue)
Robotic Vision Systems, 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.