Granted Patent
Utility
US 5,224,934 · App. 07/802,885
Patient controlled bolus dosage infuser
Inventors:
Steven R. Payne, Frederic P. Field, James M. Verespej
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Dec 6, 1991
Inventors
Steven R. Payne
Frederic P. Field
James M. Verespej
Assignee (at issue)
Block Medical, 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.