LF

Leon J. Frazin

📍 Chicago, IL: #1,802 of 13,327 inventorsTop 15%
🗺 Illinois: #13,022 of 84,256 inventorsTop 20%
Overall (All Time): #763,413 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5931788 Method and apparatus for imaging internal organs and vascular structures through the gastrointestinal wall Richard Keen 1999-08-03
5836882 Method and apparatus of localizing an insertion end of a probe within a biotic structure 1998-11-17
5546949 Method and apparatus of logicalizing and determining orientation of an insertion end of a probe within a biotic structure Michael J. Voresh 1996-08-20
5394878 Method for two dimensional real time color doppler ultrasound imaging of bodily structures through the gastro intestinal wall Mohammed N. Siddiqui 1995-03-07
5220924 Doppler-guided retrograde catheterization using transducer equipped guide wire 1993-06-22
5190045 Method and device for doppler-guided and imaged retrograde catheterization 1993-03-02
5038789 Method and device for doppler-guided retrograde catheterization 1991-08-13