Granted Patent
Utility
US 6,422,040 · App. 09/594,965
Method for forming glass sheets
Inventors:
Ronald A. McMaster, Michael J. Vild, Donivan M. Shetterly, Paul D. Ducat
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jun 15, 2000
Inventors
Ronald A. McMaster
Michael J. Vild
Donivan M. Shetterly
Paul D. Ducat
Assignee (at issue)
Glasstech, 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.