DP

David Piepenbrink

AT AT&T: 2 patents #242 of 1,158Top 25%
📍 Chicago, IL: #244 of 1,816 inventorsTop 15%
🗺 Illinois: #1,310 of 8,822 inventorsTop 15%
Overall (2021): #168,329 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10951674 Public/private communications paths Lee M. Chow, James T. Sofos 2021-03-16
10887638 Processing and distribution of video-on-demand content items Lee M. Chow, Stephen Rys, James T. Sofos 2021-01-05