DB

Doug Bank

📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,012,428 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9419501 Constant force shaft grounding brush holder John Bank, Alex Aguayo 2016-08-16
6731042 Constant force cartridge brush holder John Bank, Alex Aguayo 2004-05-04