Granted Patent
Utility
US 6,195,159 · App. 09/223,641
Lens testing system
Inventors:
Robert Eric MacDonald, Danielle M. Berven
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Dec 30, 1998
Inventors
Robert Eric MacDonald
Danielle M. Berven
Assignee (at issue)
Agfa NV
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.