Granted Patent
Utility
US 5,599,174 · App. 08/569,198
Diaphragm pump with magnetic actuator
Inventors:
Stephen J. Cook, Richard E. Clark
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Jan 16, 1996
Inventors
Stephen J. Cook
Richard E. Clark
Assignee (at issue)
Huntleigh Technology, PLC
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.