DF

David M. Frankel

📍 Bethesda, MD: #64 of 268 inventorsTop 25%
🗺 Maryland: #1,179 of 4,079 inventorsTop 30%
Overall (2019): #497,927 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10299982 Systems and methods for blind and visually impaired person environment navigation assistance 2019-05-28