Granted Patent
Utility
US 5,121,748 · App. 07/699,038
Biocompatible infused absorption glass containing FeO
Inventors:
Hermann Ditz, Hartmut Paschke, Ludwig Gaschler
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: May 13, 1991
Inventors
Hermann Ditz
Hartmut Paschke
Ludwig Gaschler
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.