Granted Patent
Utility
US 6,720,402 · App. 10/141,891
Shape memory polymers
Inventors:
Robert S. Langer, Andreas Lendlein
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: May 8, 2002
Inventors
Robert S. Langer
Andreas Lendlein
Assignee (at issue)
MNEMOSCIENCE GMBH
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.