Granted Patent
Utility
US 4,529,433 · App. 06/616,622
Spring loaded stop member for glass sheet shaping molds
Inventors:
Terry A. Bennett, William B. Zimmerman, Barry L. Shadle
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Jun 4, 1984
Inventors
Terry A. Bennett
William B. Zimmerman
Barry L. Shadle
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.