Granted Patent
Utility
US 6,143,948 · App. 08/901,294
Device for incorporation and release of biologically active agents
Inventors:
Eugenia Ribeiro de Sousa Fidalgo Leitao, Joost Dick De Bruijn, Hai Bo Wen, Klaas De Groot
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Jul 3, 1997
Inventors
Eugenia Ribeiro de Sousa Fidalgo Leitao
Joost Dick De Bruijn
Hai Bo Wen
Klaas De Groot
Assignee (at issue)
IsoTis B.V.
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.