DS

Douglas John Francis, Sr.

PT Power House Tool: 1 patents #4 of 6Top 70%
📍 Channahon, IL: #35 of 78 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #1,946,059 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9884413 Socket retaining tool using a spring-loaded keeper sleeve Laura Patterson, Douglas Francis 2018-02-06
8020472 Nut capturing socket assembly Michael W. Kelly, Laura Patterson 2011-09-20