Granted Patent
Utility
US 4,909,819 · App. 07/367,954
Method for bending glass sheets
Inventors:
Harold A. McMaster, Norman C. Nitschke, Dexter H. McMaster, Ronald A. McMaster, Thomas E. Feehan
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Jun 19, 1989
Inventors
Harold A. McMaster
Norman C. Nitschke
Dexter H. McMaster
Ronald A. McMaster
Thomas E. Feehan
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.