DJ

David A. Hanna, Jr.

DT Digital Authentication Technologies: 2 patents #2 of 3Top 70%
📍 Bel Air, MD: #129 of 482 inventorsTop 30%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,507,494 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9356940 Security and access system based on multi-dimensional location characteristics Roger R. Dube 2016-05-31
8533793 Location-aware security and access system 2013-09-10
4996423 Chop mode operated mass spectrometer for reducing the effect of line signals 1991-02-26