Granted Patent
Utility
US 5,470,366 · App. 08/178,978
Method and apparatus for processing a glass sheet
Inventors:
Robert G. Frank, James H. Schwartz
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: Jan 7, 1994
Inventors
Robert G. Frank
James H. Schwartz
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.