Granted Patent
Utility
US 5,900,285 · App. 08/976,425
Method of making a vessel having a wall surface having a barrier coating
Inventors:
Marten Walther, Martin Heming, Michael Spallek, Gudrun Zschaschler
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Nov 21, 1997
Inventors
Marten Walther
Martin Heming
Michael Spallek
Gudrun Zschaschler
Assignee (at issue)
Schott Glaswerke
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.