DK

David B. Knowles

TO Transitions Optical: 1 patents #11 of 28Top 40%
📍 Vandergrift, PA: #2 of 11 inventorsTop 20%
🗺 Pennsylvania: #2,390 of 7,701 inventorsTop 35%
Overall (2024): #494,355 of 561,600Top 90%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12097521 Apparatus and method for precision coating of ophthalmic lenses with photochromic coatings Elizabeth A. Zezinka, Cathy A. Taylor, Michael Frank Haley, Brian Smyth, Anil Kumar +1 more 2024-09-24