Granted Patent
Utility
US 4,152,786 · App. 05/859,916
Compensator for implanted blood pump
Inventors:
Kenneth D. Clark, Jal S. Jassawalla, Peer M. Portner
Patented Case
View Patent ↗
Granted: May 8, 1979
Filed: Dec 12, 1977
Inventors
Kenneth D. Clark
Jal S. Jassawalla
Peer M. Portner
Assignee (at issue)
Andros
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.