Granted Patent
Utility
US 6,110,016 · App. 09/102,324
Lens block and method of processing lenses
Inventors:
Charles R. Coleman, John E. Smarto
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Jun 22, 1998
Inventors
Charles R. Coleman
John E. Smarto
Assignee (at issue)
PPG Industries Ohio, 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.