DA

David T. Amm

Apple: 2 patents #1,413 of 5,223Top 30%
🗺 California: #15,013 of 68,989 inventorsTop 25%
Overall (2020): #182,784 of 565,922Top 35%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10735106 Mobile device with ultrasound ranging Brian Michael King, Steven P. Hotelling, Michael B. Wittenberg 2020-08-04
10707971 Ultrasound ranging for mobile devices Brian Michael King, Scott P. Porter, Steven P. Hotelling 2020-07-07