Granted Patent
Utility
US 4,662,923 · App. 06/899,769
Forming a gob of molten glass into a parison
Inventors:
Vladimir Vajda, Hermann H. Nebelung, Ulrich Piesbergen
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Aug 22, 1986
Inventors
Vladimir Vajda
Hermann H. Nebelung
Ulrich Piesbergen
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.