DG

David W. Gadtke

NM Nonin Medical: 5 patents #5 of 36Top 15%
JD John Deere: 1 patents #2,957 of 5,518Top 55%
📍 Waterloo, IA: #51 of 348 inventorsTop 15%
🗺 Iowa: #2,628 of 15,303 inventorsTop 20%
Overall (All Time): #887,886 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5800349 Offset pulse oximeter sensor Philip O. Isaacson 1998-09-01
5792052 Finger clip pulse oximeter Philip O. Isaacson, Timothy L. Johnson 1998-08-11
5490523 Finger clip pulse oximeter Philip O. Isaacson, Timothy L. Johnson 1996-02-13
RE33643 Pulse oximeter with circuit leakage and ambient light compensation Philip O. Isaacson, Vernon D. Heidner, Neal F. Nordling 1991-07-23
4773422 Single channel pulse oximeter Philip O. Isaacson, Vernon D. Heidner, Neal F. Nordling 1988-09-27
4281388 Tachometer Kenneth D. Friend, Duane Herbert Ziegler 1981-07-28