Granted Patent
Utility
US 5,588,436 · App. 08/540,852
Pulsed doppler probe
Inventors:
Krishna Narayanan, Vasant Padmanabhan, Fredrick J. Shipko, Louis B. Goode, Neal E. Fearnot
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Oct 11, 1995
Inventors
Krishna Narayanan
Vasant Padmanabhan
Fredrick J. Shipko
Louis B. Goode
Neal E. Fearnot
Assignees (at issue)
Cook Pacemaker Corporation
MED Institute 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.