Granted Patent
Utility
US 6,428,809 · App. 09/376,619
Metering and packaging of controlled release medication
Inventors:
Andrew L. Abrams, Anand V. Gumaste
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Aug 18, 1999
Inventors
Andrew L. Abrams
Anand V. Gumaste
Assignee (at issue)
Microdose Technologies, 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.