Granted Patent
Utility
US 6,641,561 · App. 09/897,422
Drug delivery device
Inventors:
Robert L. Hill, John G. Wilmot, Steven Griffiths
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Jul 3, 2001
Inventors
Robert L. Hill
John G. Wilmot
Steven Griffiths
Assignee (at issue)
Meridian Medical 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.