Granted Patent
Utility
US 5,972,436 · App. 08/899,603
CVD process for coating the inside of hollow bodies
Inventor:
Marten Walther
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Jul 24, 1997
Inventor
Marten Walther
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.