Granted Patent
Utility
US 6,279,349 · App. 09/479,472
Method for making glass sheet heating furnace
Inventor:
James P. Schnabel, Jr.
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Jan 10, 2000
Inventor
James P. Schnabel, Jr.
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.