Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DK

David B. Knowles — 2 Patents in 2017

Comcast: 2 patents #118 of 608Top 20%
Vandergrift, PA: #2 of 18 inventorsTop 15%
Pennsylvania: #1,176 of 7,529 inventorsTop 20%
Overall (2017): #159,975 of 506,227Top 35%
2 Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9722193 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2017-08-01
9548462 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2017-01-17