Granted Patent
Utility
US 5,090,986 · App. 07/675,494
Method for bending glass sheets
Inventor:
Thomas J. Zalesak
Patented Case
View Patent ↗
Granted: Feb 25, 1992
Filed: Mar 26, 1991
Inventor
Thomas J. Zalesak
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.