Granted Patent
Utility
US 5,705,488 · App. 08/589,455
Injectable compositions for soft tissue augmentation
Inventors:
Ernst Janzen, Matthias Johannes Hoekstra, Richard P. Dutrieux
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Jan 22, 1996
Inventors
Ernst Janzen
Matthias Johannes Hoekstra
Richard P. Dutrieux
Assignee (at issue)
Datascope Investment Corp.
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.