Granted Patent
Utility
US 4,369,530 · App. 06/265,100
Hydraulically actuated cardiac prosthesis and method of actuation
Inventors:
Thomas C. Robinson, Sotiris Kitrilakis
Patented Case
View Patent ↗
Granted: Jan 25, 1983
Filed: May 19, 1981
Inventors
Thomas C. Robinson
Sotiris Kitrilakis
Assignee (at issue)
Foxcroft Associates
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.