PC

Patrick J. Callahan

EI Electric Power Research Institute: 1 patents #421 of 1,201Top 40%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,340,635 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12369710 Storage system 2025-07-29
7761376 Method for providing funding of and access to an investment vehicle Leonard Charles Cudzilo 2010-07-20
5281826 Video fluorescence monitor for determination of spill outlines William A. Ivancic, Russell H. Barnes, Daniel R. Grieser 1994-01-25