Granted Patent
Utility
US 4,884,567 · App. 07/128,326
Method for transvenous implantation of objects into the pericardial space of patients
Inventors:
Clyde D. Elliott, Donald M. Cohen
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Dec 3, 1987
Inventors
Clyde D. Elliott
Donald M. Cohen
Assignees (at issue)
Dimed, Incorporated
Siemens Pacesetter, 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.