Granted Patent
Utility
US 4,457,673 · App. 06/446,453
Pump and actuator mechanism
Inventors:
Michael G. Conley, James S. Petrek
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Dec 3, 1982
Inventors
Michael G. Conley
James S. Petrek
Assignee (at issue)
Novacor Medical 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.