Granted Patent
Utility
US 6,073,818 · App. 09/099,979
Apparatus for controlled delivery of powdered solid materials
Inventors:
Simon J. Rothenberg, Richard Joel Hershman, Brian Wong
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Jun 19, 1998
Inventors
Simon J. Rothenberg
Richard Joel Hershman
Brian Wong
Assignee (at issue)
Genzyme Transegenic Corporation
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.