Granted Patent
Utility
US 6,220,056 · App. 08/978,885
Device for handling thin panes of glass and fragile work pieces
Inventor:
Heinrich Ostendarp
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Nov 26, 1997
Inventor
Heinrich Ostendarp
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.