Granted Patent
Utility
US 6,715,244 · App. 10/277,690
Multi-sheet glazing unit and method of making same
Inventors:
Bradley P. Boone, Stephen L. Crandell, Jack B. McCandless, David E. Singleton, Albert E. Thompson, Jr.
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Oct 22, 2002
Inventors
Bradley P. Boone
Stephen L. Crandell
Jack B. McCandless
David E. Singleton
Albert E. Thompson, Jr.
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.