Granted Patent
Utility
US 5,968,543 · App. 08/986,035
Polymers with controlled physical state and bioerodibility
Inventors:
Jorge Heller, Steven Y. Ng
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Dec 5, 1997
Inventors
Jorge Heller
Steven Y. Ng
Assignee (at issue)
Advanced Poymer Systems, Inc.
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.