Granted Patent
Utility
US 6,715,317 · App. 08/897,713
Process and apparatus for the production of a cylindrical component of glass
Inventors:
Karsten Bräuer, Frank Gänsicke, Helmut Friedrich, Heinz Fabian
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jul 21, 1997
Inventors
Karsten Bräuer
Frank Gänsicke
Helmut Friedrich
Heinz Fabian
Assignee (at issue)
Heraeus Tenevo LLC
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.