Granted Patent
Utility
US 6,444,293 · App. 09/052,384
Bus bar application method
Inventors:
Christopher Gregory, Harry Louis Pinch, John E. Smarto
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Mar 31, 1998
Inventors
Christopher Gregory
Harry Louis Pinch
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.