Granted Patent
Utility
US 6,355,052 · App. 09/117,962
Device for closure of body defect openings
Inventors:
Malte Neuss, Franz Freudenthal
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Dec 16, 1998
Inventors
Malte Neuss
Franz Freudenthal
Assignee (at issue)
pfm, Produkte fur die Medizin AG
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.