Granted Patent
Utility
US 6,817,714 · App. 10/254,382
Method and apparatus relating to the optical zone of an optical element
Inventor:
Griffith E. Altmann
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Sep 25, 2002
Inventor
Griffith E. Altmann
Assignee (at issue)
BAUSCH & LOMB INCORPORATED
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.