Granted Patent
Utility
US 5,907,965 · App. 08/968,347
Device for expanding a tube
Inventor:
Peter Krausser
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Nov 12, 1997
Inventor
Peter Krausser
Assignee (at issue)
Siemens Aktiengesellschaft
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.