Granted Patent
Utility
US 6,117,243 · App. 09/352,937
CVD device for coating the inside of hollow bodies
Inventor:
Marten Walther
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Jul 14, 1999
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.