Granted Patent
Utility
US 4,813,995 · App. 07/157,079
Manufacturing containers out of glass
Inventors:
Werner-Dieter Knoth, Hermann H. Nebelung
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Feb 8, 1988
Inventors
Werner-Dieter Knoth
Hermann H. Nebelung
Assignee (at issue)
Emhart 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.