Granted Patent
Utility
US 4,704,174 · App. 06/807,923
Method for manufacturing a laminated window
Inventors:
James L. Valimont, Alan L. Dumbris
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: Dec 12, 1985
Inventors
James L. Valimont
Alan L. Dumbris
Assignee (at issue)
PPG Industries, 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.