Warren M. Shadd

📍 Forestville, MD: #4 of 27 inventorsTop 15%

🗺 Maryland: #13,387 of 35,612 inventorsTop 40%

Overall (All Time): #1,906,710 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10643057	Systems and methods for biometrically authenticating a user using authentication data and liveness data	—	2020-05-05
7332669	Acoustic piano with MIDI sensor and selective muting of groups of keys	—	2008-02-19